Background: Induction of labor is the stimulation of the uterus to initiate the labor process whether by administering oxytocin, prostaglandin or reputing the membrane [1]. It was realized that the number of induction...Background: Induction of labor is the stimulation of the uterus to initiate the labor process whether by administering oxytocin, prostaglandin or reputing the membrane [1]. It was realized that the number of induction of labor patients was thought to be increasing in comparison with the spontaneous labor patients. Therefore, the complications of induced labor were higher. A detailed analysis was needed to confirm that. Objective: The aim of the study is to analyze the outcomes between spontaneous versus induced labor. Materials and Methods: A retrospective analysis was conducted at our tertiary care university hospital, in the period from December 2015 to December 2016 when 311 women were divided into two groups: group 1, women who had spontaneous labor (n = 106) compared with group 2, women who were labor induced (n = 205). Complications of pregnancy, delivery type, tear, episiotomy, blood transfusion and instruments used were analyzed retrospectively. Results: The mean ± SD of baseline characteristics, like age, height, weight, BMI and hemoglobin level for all study samples was 28.59 ± 5.95 years, 1.58 ± 0.06 m, 71.77 ± 13.42 kg, 28.59 ± 5.89 kg/m2 and 11.08 ± 1.45 g/dl respectively. A statistically significant difference was noticed in the duration of labor between spontaneous and induced labor (95% CI: 9.194 - 152.130;p-value 0.004 and OR: 0.239). There was no significant difference in complications, delivery type (Spontaneous Vaginal Delivery (SVD) or other), blood transfusion, and instrument used between women who had spontaneous labor versus induced labor. However, significant differences in tear (95% CI: 4.354 - 0.996;p-value 0.035) and episiotomy (95% CI: 0.928 - 0.224;p-value 0.028) were found between the two groups. In conclusion, the induced labor was found to be associated with high incidence of duration of labor, tear and episiotomy. Patients should always be counseled when there it is an option between the two delivery types.展开更多
Misoprostol (Cytotec, Pfizer) is a prostaglandin E1 analogue widely used in labor induction. Understanding of potential risks of misoprostol in labor induction is lacking as the drug is used off-label in most countrie...Misoprostol (Cytotec, Pfizer) is a prostaglandin E1 analogue widely used in labor induction. Understanding of potential risks of misoprostol in labor induction is lacking as the drug is used off-label in most countries. A 35-year-old G3P2 woman with post-date pregnancy at 40 + 3 weeks was induced using titrated oral misoprostol. Following delivery, post-partum hemorrhage was noted and, upon discovery of a uterine wall rupture due to congenital weakness of the myometrium, emergency abdominal total hysterectomy was conducted. Following surgery, the patient made a full recovery and was discharged. The main contraindications for misoprostol in labor induction are a scarred uterus or multipara greater than 4. Uterine wall weakness should be considered as a potential contraindication. Extreme vigilance is required in use of misoprostol for labor induction.展开更多
<strong>Objective:</strong><span><span style="font-family:Verdana;"> Misoprostol vaginal insert (MVI) is proven to induce labor by a </span><span style="font-family:Verd...<strong>Objective:</strong><span><span style="font-family:Verdana;"> Misoprostol vaginal insert (MVI) is proven to induce labor by a </span><span style="font-family:Verdana;">continuously release of PGE1. Previous reports showed that MVI reduced</span><span style="font-family:Verdana;"> induction to delivery time as well as active labor time but it also increased uterine tachysystole. Here we attempted to clarify whether MVI is safe and </span><span style="font-family:Verdana;">efficient for women with pregnancies >40 weeks in a single institute.</span> <b><span style="font-family:Verdana;">Methods: </span></b><span style="font-family:Verdana;">This study was performed in Lutheran Hospital Bergisch Gladbach, Germany 2014-2019. A total of 304 women between 40 + 0 to 42 + 0 weeks underwent labor induction with MVI. Outcomes were</span></span><span style="font-family:Verdana;">:</span><span><span style="font-family:Verdana;"> 1) maternal: time from insertion </span><span style="font-family:Verdana;">to delivery, interventions, mode of delivery, and uterine tachysystole, 2)</span><span style="font-family:Verdana;"> neo</span></span><span style="font-family:Verdana;">-</span><span><span style="font-family:Verdana;">natal: cord blood pH, APGAR scores, and admission to a neonatal clinic. This </span><span style="font-family:Verdana;">study ended unexpectedly due to the withdrawal of MVI (Misodel<span style="white-space:nowrap;"><sup>TM</sup></span>) in</span><span style="font-family:Verdana;"> September 2019. </span><b><span style="font-family:Verdana;">Results: </span></b><span style="font-family:Verdana;">75.7% (n = 230) of women gave birth within 24 hours after MVI placement. 72.2% (n = 140) nulliparous women and 81.8% (n = 90) </span><span style="font-family:Verdana;">parous women delivered within 24 hours. In two cases emergency CS was</span><span style="font-family:Verdana;"> required. 67.8% (n = 206) of women delivered vaginal. 2.3% (n = 7) of cord pH levels were below 7.10. 3.3% (n = 10) of newborns were transmitted to a neonatal clinic. </span><b><span style="font-family:Verdana;">Conclusion: </span></b><span style="font-family:Verdana;">MVI is an efficient method to induce labor for </span><span style="font-family:Verdana;">pregnant women beyond 40 + 0 weeks. However, considering various</span><span style="font-family:Verdana;"> compli</span><span style="font-family:Verdana;">cations observed (uterine tachysystole and fetal distress leading to a high</span><span style="font-family:Verdana;"> number of CS), we cannot universally advocate the use of MVI.</span></span>展开更多
Objective: to analyze the clinical efficacy of etacridine combined with mifepristone (MFP) in the treatment of induced labor during middle pregnancy. Methods: from May 2015 to April 2020, 50 patients with midterm preg...Objective: to analyze the clinical efficacy of etacridine combined with mifepristone (MFP) in the treatment of induced labor during middle pregnancy. Methods: from May 2015 to April 2020, 50 patients with midterm pregnancy during labor induction period in our hospital were selected. The digital table was randomly divided into two groups with 25 cases in each group. Treatment was given to patients from a single drug group. The etazidine-bound group was treated with etazidine, acridine combined with MFP. The time, success rate, and incidence of complications were compared between the two groups from the start of dosing to embryo excretion. Results: the duration from initial administration to embryo expulsion in combination group was 36.21±2.45h shorter than that in single drug group, 56.13±5.01h, P < 0.05. The combined power was 100.00% higher than that of the single drug group (76.00%, P < 0.05). There were no serious complications in the two groups, including 2 cases of low fever in the monotherapy group and 3 cases of mild diarrhea and nausea in the combination group (P > 0.05). Conclusion: the clinical effect of ethacridine combined with MFP in the treatment of induced labor in the second trimester is better than ethacridine, which can improve the success rate and shorten the time of induced labor, with high safety.展开更多
A laboratory experiment was conducted inside a wind wave tank to investigate the wave induced turbulence. In this experiment, the wave surface elevation and velocity beneath the water surface were measured simultaneou...A laboratory experiment was conducted inside a wind wave tank to investigate the wave induced turbulence. In this experiment, the wave surface elevation and velocity beneath the water surface were measured simultaneously to investigate the relation between the wave status and wave induced turbulence. The profile of the turbulent dissipation rate and Reynolds stress were calculated using experimental data. The effect of the wave status on turbulence is investigated with regard to the wind wave, swell, and mixed wave conditions. It was depicted that the turbulence decreased with increasing depth from the water surface and that the turbulence that was induced by a wave with larger wavelength and wave height is much stronger for the same wave status. Finally, we observed that the wind wave is more effective in activating the wave induced turbulence.展开更多
In recent years,the obstetrics department has advocated vaginal delivery to reduce the rate of cesarean sections.However,in clinical practice,pregnant women are prone to anxiety before childbirth,making it difficult t...In recent years,the obstetrics department has advocated vaginal delivery to reduce the rate of cesarean sections.However,in clinical practice,pregnant women are prone to anxiety before childbirth,making it difficult to perform a vaginal trial delivery smoothly.The combined approach of ADIET communication and delivery rehearsal for vaginal trial delivery can provide a reference for reducing prenatal anxiety,shortening labor duration,facilitating a smooth delivery,and ensuring the safety of both mothers and babies.AIM To analyze the effect of AIDET communication combined with labor rehearsal on vaginal trial delivery.METHODS A study conducted between January 2023 and December 2023 included 200 vaginal trials.Women were randomly assigned to an observation group(100 women),which received ADIET communication plus delivery intervention,and a control group(100 women),which received routine communication plus delivery intervention.This study aimed to compare antenatal anxiety status as measured using the Maternal Anxiety Scale,labor duration,delivery efficacy as assessed using the simplified Chinese version of the Childbirth Self-Efficacy Inventory,and delivery outcomes.RESULTS After the intervention,the observation group had a lower Maternal Anxiety Scale score and higher Childbirth Self-Efficacy Inventory score(P<0.05)than the control group(P<0.05),whereas the observation group had higher natural delivery,cesarean delivery,vaginal delivery,and neonatal asphyxia rates(P<0.05).CONCLUSION For women undergoing vaginal trial delivery,a combination of AIDET communication and delivery rehearsal can relieve prenatal anxiety,enhance delivery efficiency,shorten labor duration,and somewhat improve delivery outcomes.展开更多
In the era of digital capitalism with the explosion of data and information,human society will be greatly affected by digital capital,and all walks of life will be included in the chain of information-based labor prod...In the era of digital capitalism with the explosion of data and information,human society will be greatly affected by digital capital,and all walks of life will be included in the chain of information-based labor production,giving rise to a new type of labor form called“digital labor”.This paper discusses the alienation of digital labor in the context of digital capitalism,take Marx’s theory of alienated labor as the perspective,and analyze the fourfold alienation of digital labor in terms of producing products,labor process,self-realization of laborers,and social relations by combing the historical development of digital labor.Based on the above analysis,the article proposes the logical and practical paths to crack the alienation of digital labor:improve media literacy and thinking discernment,make full use of the positive effects of digital technology,and strengthen the governance of digital platforms,in order to build a fairer and more shared digital labor environment,and to realize the self-emancipation of laborers and the healthy development of the digital economy.展开更多
Labor provisions have become a fundamental trade rule in regional and bilateral trade agreements.Although China’s legislation on pilot Free Trade Zones includes content related to labor protection,it primarily aligns...Labor provisions have become a fundamental trade rule in regional and bilateral trade agreements.Although China’s legislation on pilot Free Trade Zones includes content related to labor protection,it primarily aligns with labor indicators in“Doing Business”,the assessment of business situations issued by the World Bank.It differs from the labor rights protection focus emphasized in trade agreements.The latest strategic documents issued by the State Council of China have addressed this issue to fully achieve the goal of aligning Free Trade Zones with high-standard trade agreements.Building on the development of Free Trade Zone legislation and domestic labor law governance,China should proactively explore a tailored approach to labor provisions in Free Trade Agreements.In this approach,it should explicitly define the“baseline”and“ceiling”for labor provisions during negotiations and,within this framework,establish benchmarks for labor rights protection,enforcement mechanisms,and cross-border regulatory mechanisms suited to the specific conditions of the agreement parties.展开更多
Heterogeneous structure exhibits superiority in improving mechanical properties,whereas their effects on fatigue damage properties have rarely been studied.In this work,we employed a high-throughput gradient heat trea...Heterogeneous structure exhibits superiority in improving mechanical properties,whereas their effects on fatigue damage properties have rarely been studied.In this work,we employed a high-throughput gradient heat treatment method(757−857℃)to rapidly acquire the solution microstructure of the Ti-6554 alloy with different recrystallization degrees(0%,40%and 100%),followed by the same aging treatment.The results showed that theβ-hetero structure exhibited a yield strength(σ_(YS))of 1403 MPa,an increase of 6.7%,and a remarkable improvement in uniform elongation(UE)of 109.7%,reaching 6.5%,compared to the homogeneous structure.Interestingly,introducing a heterogeneous structure not only overcame the traditional trade-off between strength and ductility but also enhanced fatigue crack propagation(FCP)performance.During FCP process,β-hetero structure,through hetero-deformation induced(HDI)strengthening effects,promoted the accumulation of geometric necessary dislocations(GNDs)within coarseα_(S) phase,enabling faster attainment of the critical shear stress of twinning and increasing twinning density.This facilitated stress relief,improved plastic deformation in the crack tip zone,and increased the critical fast fracture threshold from 30.4 to 36.0 MPa·m^(1/2)showing an enlarged steady state propagation region.This study provides valuable insights on tailoring fatigue damage tolerance through heterogeneous structure for titanium alloys.展开更多
Microbially induced calcite precipitation(MICP)and Enzyme induced calcite precipitation(EICP)techniques were implemented to reinforce the large-scale calcareous sand in this study.Then a coupled numerical model to pre...Microbially induced calcite precipitation(MICP)and Enzyme induced calcite precipitation(EICP)techniques were implemented to reinforce the large-scale calcareous sand in this study.Then a coupled numerical model to predict the biochemical reactions and hydraulic characteristics of MICP and EICP reactions was proposed and verified by physical experiments.Results showed that:This model could describe the variations of bacteria,calcium,calcite,permeability over time reasonably.It is necessary to consider the influence of the calculation domain scale when simulating the convection-diffusionreaction in the multi-process of MICP and EICP reactions.The numerical and experimental values of calcite content are 0.841 g/cm^(3) and 0.861 g/cm^(3) for MICP-reinforced sand,0.263 g/cm^(3) and 0.227 g/cm^(3) for EICP-reinforced sand after 192 h of reaction.The reaction rate k_(rea) is an important parameter to control the calcite content.Accordingly,the permeability coefficient of MICP and EICP reinforced calcareous sand decreases by 32%and 18%.Due to the influence of substance transportation and calcite precipitation,the calcite shows a trend of decreasing firstly and then increasing with the enhancing of the initial permeability coefficient in biochemical reactions.The optimal injecting ratio q11:q12 in this study is 100:300 mL/min.The process for the application of MICP and EICP coupled numerical model is also recommended,which provides reference for engineering projects in ground improvement.展开更多
The article is devoted to problems of adaptation of foreign labor in Russia. The feature of approach to analysis of the problem lies in trying to examine this process at several levels： macro-level, meso-level, micro...The article is devoted to problems of adaptation of foreign labor in Russia. The feature of approach to analysis of the problem lies in trying to examine this process at several levels： macro-level, meso-level, micro-level, and individual level. The major factors influencing adaptation of foreign labor at each level are allocated. It is assumed between foreign workers and local communities. The author considers such aspects as the relation of local communities to arrival of foreign labor, the reasons for arrival of foreign labor to Russia and features of contact of local communities with foreign workers. This position is proved by means of a case study conducted in Yekaterinburg.展开更多
The large shift of surplus labor from agriculture to industry and services is seen in many countries around the world as well as in Vietnam in the process of industrialization and modernization of the country that has...The large shift of surplus labor from agriculture to industry and services is seen in many countries around the world as well as in Vietnam in the process of industrialization and modernization of the country that has set questions about the sustainability of rural surplus labor： is there still a source of surplus labor in rural areas？ If so, how large is the source of surplus labor and how long it can be lasting？ These questions were hotly debated in the literature abroad. But in Vietnam there is very little or hardly exchanged opinions about the concepts and methods of measurement of surplus labor in general and surplus labor in agriculture in particular. This article refers to the measurement approach of surplus labor in agriculture in Vietnam.展开更多
The reasons why labor standards law has not been enacted so far include the unreadiness of entrepreneurs and enterprises as well as legislators and the market. It is a great challenge for legislators because they need...The reasons why labor standards law has not been enacted so far include the unreadiness of entrepreneurs and enterprises as well as legislators and the market. It is a great challenge for legislators because they need to focus on the coordination of relationship between central and local labor standards legislation,on special problems of sectors or industries,on coordination of special industries and general industries. in addition to many other historical factors. The introduction of labor standards legislation must be based on a good familiarity of current situation and international labor standards,the frequent points of labor disputes in China,and the specific characteristics of different regions and industries,which is also the mission and responsibility of the legislators.展开更多
A dominating induced matching(DIM)of G is an induced matching that dominates every edge of G.In this note,we completely determine the number of DIMs in the generalized Petersen graph P(n,k).We prove that if P(n,k)is a...A dominating induced matching(DIM)of G is an induced matching that dominates every edge of G.In this note,we completely determine the number of DIMs in the generalized Petersen graph P(n,k).We prove that if P(n,k)is a generalized Petersen graph with n=0(mod 5)and k=2,3(mod 5),then E(P(n,k))can be partitioned into five DIMs.Meanwhile,in the left cases k=0,1,4(mod 5),we build some counterexamples to show that there exist some P(n,k)'s which are DIM-free.展开更多
The fundamental right-based and human right-based nature of labor rights forms the subjective and objective theory of labor rights.The derived objective protection function and subjective realization function constitu...The fundamental right-based and human right-based nature of labor rights forms the subjective and objective theory of labor rights.The derived objective protection function and subjective realization function constitute the theoretical basis of the labor code system.The objective function of labor rights requires the labor code to provide corresponding institutional guarantees,while the subjective function demands that the code ensure the full realization of labor rights.The dual functions of labor rights are reflected in the structural framework and content logic of the labor code separately:on the one hand,labor rights can serve as the structural thread for narrating and systematically organizing the labor code,with the specific types of labor rights protection and functional systems jointly forming the framework of the code;on the other hand,the content arrangement of the labor code is guided by the value of realizing labor rights,exploring the pathways for the code’s realization of labor rights in different situations.展开更多
Background:Understanding the factors that influence adolescent psychological resilience is critical for promoting mental health.This study explores the impact and mechanism of labor values on adolescent psychological ...Background:Understanding the factors that influence adolescent psychological resilience is critical for promoting mental health.This study explores the impact and mechanism of labor values on adolescent psychological resilience from the perspective of emotion regulation theory.Methods:This study conducted an in-depth analysis using the Labor Value Scale on 2691 elementary school upper-grade students,middle school students,and high school students.Results:The results show that:(1)labor values can positively predict adolescents’mental resilience;(2)cognitive reappraisal and expression inhibition play a partial mediating role in the relationship between labor values and adolescents’psychological resilience.Among them,labor values can positively predict adolescents’mental resilience through positive cognitive reappraisal,and labor values can also predict adolescents’mental resilience through expression inhibition.Conclusion:Based on the theory of emotion regulation,this study explores the direct effect of labor values on mental resilience and the mediating effect of different strategies of emotion regulation.The results of this study provide a theoretical basis for improving the mental resilience of adolescents.展开更多
Against the backdrop of the rapid development of digitalization today,the platform economy,as an emerging economic form,is profoundly changing the operation mode and resource allocation methods of the labor market.The...Against the backdrop of the rapid development of digitalization today,the platform economy,as an emerging economic form,is profoundly changing the operation mode and resource allocation methods of the labor market.The efficiency of labor resource allocation is an important indicator to measure the vitality and potential of economic development in a country or region.It is not only related to the welfare level of workers but also directly affects the productivity level and development quality of the entire society.With the help of modern information technology means such as Internet technology,big data algorithms,and mobile communication devices,the platform economy closely connects originally scattered individual workers with employers,building a large and complex networked trading platform.Based on this,this paper focuses on the impact and role of the platform economy on the efficiency of labor resource allocation,aiming to stabilize the efficient operation of the labor market.展开更多
Objectives A systematic review and network meta-analysis was conducted to evaluate the effectiveness of different childbirth positions in reducing the duration of the second stage of labor,providing evidence-based ins...Objectives A systematic review and network meta-analysis was conducted to evaluate the effectiveness of different childbirth positions in reducing the duration of the second stage of labor,providing evidence-based insights for obstetric institutions to guide interventions related to childbirth positions.Methods A comprehensive literature search was conducted in databases,including PubMed,Web of Science,the Cochrane Library,Embase,Wanfang Databases,China National Knowledge Infrastructure Databases(CNKI),China Science and Technology Journal Database(CSTJ),and China Biology Medicine disc(CBMdisc)to identify studies on the effectiveness of different childbirth positions in reducing the duration of the second stage of labor.The search included randomized controlled trials published from database inception to September 30,2024.The Cochrane risk-of-bias tool was used to assess the quality of the studies.Two independent reviewers screened the literature,extracted data,and evaluated study quality.Subsequently,a network meta-analysis was performed using STATA software.The study protocol has been registered in PROSPERO(CRD42023428217).Results This study analyzed data from 25 randomized controlled trials involving 9,844 women.The findings indicated that in comparison to lithotomy position,free position(MD=20.53,95%CI[11.38,29.68])and upright position(MD=−24.13,95%CI[−42.94,-5.32])were found to be superior in reducing the duration of the second stage of labor.Free position outperformed kneeling position(MD=21.48,95%CI[4.67,38.28])and squatting position(MD=23.43,95%CI[1.88,44.97]);upright position was superior to kneeling position(MD=−25.08,95%CI[−46.93,−3.22]);semirecumbent position surpassed squatting position(MD=19.71,95%CI[2.05,37.38]);and upright position was also superior to squatting position(MD=−27.03,95%CI[−51.48,−2.57]).According to the surface under the cumulative ranking curve(SUCRA),the upright position emerged as the most effective for reducing the duration of the second stage of labor(87.4%),followed by free position(81.1%),semirecumbent position(70.0%),and lateral position(62.3%).Conclusion These findings offer valuable insights for midwifery practice and help inform future research directions.Considering the limitations of this review,more larger-scale,multicenter randomized controlled trials are warranted to further evaluate the relative effectiveness of different childbirth positions in reducing the duration of the second stage of labor.展开更多
BACKGROUND The full implementation of the national two-child policy has presented significant challenges in ensuring the safety of pregnant women.AIM To investigate the effect of cervical balloon fluid volume on mater...BACKGROUND The full implementation of the national two-child policy has presented significant challenges in ensuring the safety of pregnant women.AIM To investigate the effect of cervical balloon fluid volume on maternal processes,maternal and infant outcomes,and anxiety during pregnancy.METHODS A total of 100 singleton term pregnancies with cervical maturity induction and anxiety were selected using a lottery method;50 women were included.Cervical balloons were used for all participants.In the control group,80 mL of fluid was injected into both balloons;in the observation group,80 and 100 mL were injected into the vaginal and cervical balloons,respectively.The two groups were compared for cervical maturity,labor duration,anxiety,maternal and infant outcomes,and effects on cervical ripening.RESULTS After treatment,the cervical maturity test(Bishop)score was significantly higher in the observation group(9.76±1.19)than in the control group(7.62±0.83),and the Hamilton Anxiety Scale score was lower in the observation group(7.32±0.85)than in the control group(13.05±1.12).The observation group showed higher rates of natural delivery and lower rates of cesarean section than the control group.The first and total stages of labor were shorter in the observation than in the control group;no significant differences were found in the second and third stages.The incidence of complications was lower in the observation group[1(2.00%)vs 9(18.00%)for complications;49(98.00%)vs 41(82.00%)for non-complications].CONCLUSION The selected fluid volumes to promote cervical maturity and induce labor stabilize maternal mood,increase the natural delivery rate,shorten labor,and improve maternal and infant outcomes.展开更多
The design and manufacturing of microchannels are crucial aspects of modern micro/nanomanufacturing processes,offering a versatile platform for manipulating and driving micro/nanoparticles or cells.In this study,we pr...The design and manufacturing of microchannels are crucial aspects of modern micro/nanomanufacturing processes,offering a versatile platform for manipulating and driving micro/nanoparticles or cells.In this study,we propose a method for manufacturing microchannels using optically induced dielectrophoresis technology to induce the polymerization of polyethylene glycol diacrylate solution.To overcome limitations related to the light intensity energy and the size of intact microchannels,we design and manufacture microstructures of various shapes with a height of 4µm.Additionally,we simulate and analyze the movement of and forces acting on polystyrene(PS)microspheres at different spatial positions within the microchannels.Finally,we successfully demonstrate applications involving the transport of PS microspheres in custom-fabricated microchannels.This novel biocompatible microchannel manufacturing method is simple and non-biotoxic.It provides a new approach for simulating physiological environments in vitro and cultivating and manipulating cells.展开更多
文摘Background: Induction of labor is the stimulation of the uterus to initiate the labor process whether by administering oxytocin, prostaglandin or reputing the membrane [1]. It was realized that the number of induction of labor patients was thought to be increasing in comparison with the spontaneous labor patients. Therefore, the complications of induced labor were higher. A detailed analysis was needed to confirm that. Objective: The aim of the study is to analyze the outcomes between spontaneous versus induced labor. Materials and Methods: A retrospective analysis was conducted at our tertiary care university hospital, in the period from December 2015 to December 2016 when 311 women were divided into two groups: group 1, women who had spontaneous labor (n = 106) compared with group 2, women who were labor induced (n = 205). Complications of pregnancy, delivery type, tear, episiotomy, blood transfusion and instruments used were analyzed retrospectively. Results: The mean ± SD of baseline characteristics, like age, height, weight, BMI and hemoglobin level for all study samples was 28.59 ± 5.95 years, 1.58 ± 0.06 m, 71.77 ± 13.42 kg, 28.59 ± 5.89 kg/m2 and 11.08 ± 1.45 g/dl respectively. A statistically significant difference was noticed in the duration of labor between spontaneous and induced labor (95% CI: 9.194 - 152.130;p-value 0.004 and OR: 0.239). There was no significant difference in complications, delivery type (Spontaneous Vaginal Delivery (SVD) or other), blood transfusion, and instrument used between women who had spontaneous labor versus induced labor. However, significant differences in tear (95% CI: 4.354 - 0.996;p-value 0.035) and episiotomy (95% CI: 0.928 - 0.224;p-value 0.028) were found between the two groups. In conclusion, the induced labor was found to be associated with high incidence of duration of labor, tear and episiotomy. Patients should always be counseled when there it is an option between the two delivery types.
文摘Misoprostol (Cytotec, Pfizer) is a prostaglandin E1 analogue widely used in labor induction. Understanding of potential risks of misoprostol in labor induction is lacking as the drug is used off-label in most countries. A 35-year-old G3P2 woman with post-date pregnancy at 40 + 3 weeks was induced using titrated oral misoprostol. Following delivery, post-partum hemorrhage was noted and, upon discovery of a uterine wall rupture due to congenital weakness of the myometrium, emergency abdominal total hysterectomy was conducted. Following surgery, the patient made a full recovery and was discharged. The main contraindications for misoprostol in labor induction are a scarred uterus or multipara greater than 4. Uterine wall weakness should be considered as a potential contraindication. Extreme vigilance is required in use of misoprostol for labor induction.
文摘<strong>Objective:</strong><span><span style="font-family:Verdana;"> Misoprostol vaginal insert (MVI) is proven to induce labor by a </span><span style="font-family:Verdana;">continuously release of PGE1. Previous reports showed that MVI reduced</span><span style="font-family:Verdana;"> induction to delivery time as well as active labor time but it also increased uterine tachysystole. Here we attempted to clarify whether MVI is safe and </span><span style="font-family:Verdana;">efficient for women with pregnancies >40 weeks in a single institute.</span> <b><span style="font-family:Verdana;">Methods: </span></b><span style="font-family:Verdana;">This study was performed in Lutheran Hospital Bergisch Gladbach, Germany 2014-2019. A total of 304 women between 40 + 0 to 42 + 0 weeks underwent labor induction with MVI. Outcomes were</span></span><span style="font-family:Verdana;">:</span><span><span style="font-family:Verdana;"> 1) maternal: time from insertion </span><span style="font-family:Verdana;">to delivery, interventions, mode of delivery, and uterine tachysystole, 2)</span><span style="font-family:Verdana;"> neo</span></span><span style="font-family:Verdana;">-</span><span><span style="font-family:Verdana;">natal: cord blood pH, APGAR scores, and admission to a neonatal clinic. This </span><span style="font-family:Verdana;">study ended unexpectedly due to the withdrawal of MVI (Misodel<span style="white-space:nowrap;"><sup>TM</sup></span>) in</span><span style="font-family:Verdana;"> September 2019. </span><b><span style="font-family:Verdana;">Results: </span></b><span style="font-family:Verdana;">75.7% (n = 230) of women gave birth within 24 hours after MVI placement. 72.2% (n = 140) nulliparous women and 81.8% (n = 90) </span><span style="font-family:Verdana;">parous women delivered within 24 hours. In two cases emergency CS was</span><span style="font-family:Verdana;"> required. 67.8% (n = 206) of women delivered vaginal. 2.3% (n = 7) of cord pH levels were below 7.10. 3.3% (n = 10) of newborns were transmitted to a neonatal clinic. </span><b><span style="font-family:Verdana;">Conclusion: </span></b><span style="font-family:Verdana;">MVI is an efficient method to induce labor for </span><span style="font-family:Verdana;">pregnant women beyond 40 + 0 weeks. However, considering various</span><span style="font-family:Verdana;"> compli</span><span style="font-family:Verdana;">cations observed (uterine tachysystole and fetal distress leading to a high</span><span style="font-family:Verdana;"> number of CS), we cannot universally advocate the use of MVI.</span></span>
文摘Objective: to analyze the clinical efficacy of etacridine combined with mifepristone (MFP) in the treatment of induced labor during middle pregnancy. Methods: from May 2015 to April 2020, 50 patients with midterm pregnancy during labor induction period in our hospital were selected. The digital table was randomly divided into two groups with 25 cases in each group. Treatment was given to patients from a single drug group. The etazidine-bound group was treated with etazidine, acridine combined with MFP. The time, success rate, and incidence of complications were compared between the two groups from the start of dosing to embryo excretion. Results: the duration from initial administration to embryo expulsion in combination group was 36.21±2.45h shorter than that in single drug group, 56.13±5.01h, P < 0.05. The combined power was 100.00% higher than that of the single drug group (76.00%, P < 0.05). There were no serious complications in the two groups, including 2 cases of low fever in the monotherapy group and 3 cases of mild diarrhea and nausea in the combination group (P > 0.05). Conclusion: the clinical effect of ethacridine combined with MFP in the treatment of induced labor in the second trimester is better than ethacridine, which can improve the success rate and shorten the time of induced labor, with high safety.
基金supported by the National Natural Science Foundation of China(No.41276010)the Ministry of Education of China(No.20130132130002)
文摘A laboratory experiment was conducted inside a wind wave tank to investigate the wave induced turbulence. In this experiment, the wave surface elevation and velocity beneath the water surface were measured simultaneously to investigate the relation between the wave status and wave induced turbulence. The profile of the turbulent dissipation rate and Reynolds stress were calculated using experimental data. The effect of the wave status on turbulence is investigated with regard to the wind wave, swell, and mixed wave conditions. It was depicted that the turbulence decreased with increasing depth from the water surface and that the turbulence that was induced by a wave with larger wavelength and wave height is much stronger for the same wave status. Finally, we observed that the wind wave is more effective in activating the wave induced turbulence.
文摘In recent years,the obstetrics department has advocated vaginal delivery to reduce the rate of cesarean sections.However,in clinical practice,pregnant women are prone to anxiety before childbirth,making it difficult to perform a vaginal trial delivery smoothly.The combined approach of ADIET communication and delivery rehearsal for vaginal trial delivery can provide a reference for reducing prenatal anxiety,shortening labor duration,facilitating a smooth delivery,and ensuring the safety of both mothers and babies.AIM To analyze the effect of AIDET communication combined with labor rehearsal on vaginal trial delivery.METHODS A study conducted between January 2023 and December 2023 included 200 vaginal trials.Women were randomly assigned to an observation group(100 women),which received ADIET communication plus delivery intervention,and a control group(100 women),which received routine communication plus delivery intervention.This study aimed to compare antenatal anxiety status as measured using the Maternal Anxiety Scale,labor duration,delivery efficacy as assessed using the simplified Chinese version of the Childbirth Self-Efficacy Inventory,and delivery outcomes.RESULTS After the intervention,the observation group had a lower Maternal Anxiety Scale score and higher Childbirth Self-Efficacy Inventory score(P<0.05)than the control group(P<0.05),whereas the observation group had higher natural delivery,cesarean delivery,vaginal delivery,and neonatal asphyxia rates(P<0.05).CONCLUSION For women undergoing vaginal trial delivery,a combination of AIDET communication and delivery rehearsal can relieve prenatal anxiety,enhance delivery efficiency,shorten labor duration,and somewhat improve delivery outcomes.
文摘In the era of digital capitalism with the explosion of data and information,human society will be greatly affected by digital capital,and all walks of life will be included in the chain of information-based labor production,giving rise to a new type of labor form called“digital labor”.This paper discusses the alienation of digital labor in the context of digital capitalism,take Marx’s theory of alienated labor as the perspective,and analyze the fourfold alienation of digital labor in terms of producing products,labor process,self-realization of laborers,and social relations by combing the historical development of digital labor.Based on the above analysis,the article proposes the logical and practical paths to crack the alienation of digital labor:improve media literacy and thinking discernment,make full use of the positive effects of digital technology,and strengthen the governance of digital platforms,in order to build a fairer and more shared digital labor environment,and to realize the self-emancipation of laborers and the healthy development of the digital economy.
基金result of the“Research on ESG Supply Chain Governance and Labor Rights Protection”(Project Number SUFE-ESG-20250315)a general subject project of the Fullgoal Institute for ESG Research,SUFE in 2025.
文摘Labor provisions have become a fundamental trade rule in regional and bilateral trade agreements.Although China’s legislation on pilot Free Trade Zones includes content related to labor protection,it primarily aligns with labor indicators in“Doing Business”,the assessment of business situations issued by the World Bank.It differs from the labor rights protection focus emphasized in trade agreements.The latest strategic documents issued by the State Council of China have addressed this issue to fully achieve the goal of aligning Free Trade Zones with high-standard trade agreements.Building on the development of Free Trade Zone legislation and domestic labor law governance,China should proactively explore a tailored approach to labor provisions in Free Trade Agreements.In this approach,it should explicitly define the“baseline”and“ceiling”for labor provisions during negotiations and,within this framework,establish benchmarks for labor rights protection,enforcement mechanisms,and cross-border regulatory mechanisms suited to the specific conditions of the agreement parties.
基金Project(2021YFB3700801)supported by the National Key Research and Development Program of ChinaProject(2023JJ30683)supported by the Natural Science Foundation of Hunan Province,ChinaProject supported by the State Key Laboratory of Powder Metallurgy(Central South University),China。
文摘Heterogeneous structure exhibits superiority in improving mechanical properties,whereas their effects on fatigue damage properties have rarely been studied.In this work,we employed a high-throughput gradient heat treatment method(757−857℃)to rapidly acquire the solution microstructure of the Ti-6554 alloy with different recrystallization degrees(0%,40%and 100%),followed by the same aging treatment.The results showed that theβ-hetero structure exhibited a yield strength(σ_(YS))of 1403 MPa,an increase of 6.7%,and a remarkable improvement in uniform elongation(UE)of 109.7%,reaching 6.5%,compared to the homogeneous structure.Interestingly,introducing a heterogeneous structure not only overcame the traditional trade-off between strength and ductility but also enhanced fatigue crack propagation(FCP)performance.During FCP process,β-hetero structure,through hetero-deformation induced(HDI)strengthening effects,promoted the accumulation of geometric necessary dislocations(GNDs)within coarseα_(S) phase,enabling faster attainment of the critical shear stress of twinning and increasing twinning density.This facilitated stress relief,improved plastic deformation in the crack tip zone,and increased the critical fast fracture threshold from 30.4 to 36.0 MPa·m^(1/2)showing an enlarged steady state propagation region.This study provides valuable insights on tailoring fatigue damage tolerance through heterogeneous structure for titanium alloys.
基金supports from the National Key R&D Program of China(Grant No.2023YFB4203301)National Natural Science Foundation of China(Grant No.52238008)Postdoctoral Fellowship Program of CPSF(Grant No.GZC20241516).
文摘Microbially induced calcite precipitation(MICP)and Enzyme induced calcite precipitation(EICP)techniques were implemented to reinforce the large-scale calcareous sand in this study.Then a coupled numerical model to predict the biochemical reactions and hydraulic characteristics of MICP and EICP reactions was proposed and verified by physical experiments.Results showed that:This model could describe the variations of bacteria,calcium,calcite,permeability over time reasonably.It is necessary to consider the influence of the calculation domain scale when simulating the convection-diffusionreaction in the multi-process of MICP and EICP reactions.The numerical and experimental values of calcite content are 0.841 g/cm^(3) and 0.861 g/cm^(3) for MICP-reinforced sand,0.263 g/cm^(3) and 0.227 g/cm^(3) for EICP-reinforced sand after 192 h of reaction.The reaction rate k_(rea) is an important parameter to control the calcite content.Accordingly,the permeability coefficient of MICP and EICP reinforced calcareous sand decreases by 32%and 18%.Due to the influence of substance transportation and calcite precipitation,the calcite shows a trend of decreasing firstly and then increasing with the enhancing of the initial permeability coefficient in biochemical reactions.The optimal injecting ratio q11:q12 in this study is 100:300 mL/min.The process for the application of MICP and EICP coupled numerical model is also recommended,which provides reference for engineering projects in ground improvement.
文摘The article is devoted to problems of adaptation of foreign labor in Russia. The feature of approach to analysis of the problem lies in trying to examine this process at several levels： macro-level, meso-level, micro-level, and individual level. The major factors influencing adaptation of foreign labor at each level are allocated. It is assumed between foreign workers and local communities. The author considers such aspects as the relation of local communities to arrival of foreign labor, the reasons for arrival of foreign labor to Russia and features of contact of local communities with foreign workers. This position is proved by means of a case study conducted in Yekaterinburg.
文摘The large shift of surplus labor from agriculture to industry and services is seen in many countries around the world as well as in Vietnam in the process of industrialization and modernization of the country that has set questions about the sustainability of rural surplus labor： is there still a source of surplus labor in rural areas？ If so, how large is the source of surplus labor and how long it can be lasting？ These questions were hotly debated in the literature abroad. But in Vietnam there is very little or hardly exchanged opinions about the concepts and methods of measurement of surplus labor in general and surplus labor in agriculture in particular. This article refers to the measurement approach of surplus labor in agriculture in Vietnam.
基金a staged achievement of the project of The National Social Science Fund of China,“A study on how labor standards respond to collective clash between capital and labor under the new normal”(15BGL184)。
文摘The reasons why labor standards law has not been enacted so far include the unreadiness of entrepreneurs and enterprises as well as legislators and the market. It is a great challenge for legislators because they need to focus on the coordination of relationship between central and local labor standards legislation,on special problems of sectors or industries,on coordination of special industries and general industries. in addition to many other historical factors. The introduction of labor standards legislation must be based on a good familiarity of current situation and international labor standards,the frequent points of labor disputes in China,and the specific characteristics of different regions and industries,which is also the mission and responsibility of the legislators.
基金Ming Chen was supported by National Key Research and Development Program of China(No.2024YFA1013900)。
文摘A dominating induced matching(DIM)of G is an induced matching that dominates every edge of G.In this note,we completely determine the number of DIMs in the generalized Petersen graph P(n,k).We prove that if P(n,k)is a generalized Petersen graph with n=0(mod 5)and k=2,3(mod 5),then E(P(n,k))can be partitioned into five DIMs.Meanwhile,in the left cases k=0,1,4(mod 5),we build some counterexamples to show that there exist some P(n,k)'s which are DIM-free.
基金“Research on Supporting and Regulating the Development of New Forms of Employment”(Project Number HZ05)2023 Key Research Project on Xi Jinping Thought on the Rule of Law sponsored by East China University of Political Science and Law,and“Research on Family Leave Promotion Legislation”(Project Number 2023-1-014)under the Excellent Doctoral Dissertation Cultivation Project of East China University of Political Science and Law.
文摘The fundamental right-based and human right-based nature of labor rights forms the subjective and objective theory of labor rights.The derived objective protection function and subjective realization function constitute the theoretical basis of the labor code system.The objective function of labor rights requires the labor code to provide corresponding institutional guarantees,while the subjective function demands that the code ensure the full realization of labor rights.The dual functions of labor rights are reflected in the structural framework and content logic of the labor code separately:on the one hand,labor rights can serve as the structural thread for narrating and systematically organizing the labor code,with the specific types of labor rights protection and functional systems jointly forming the framework of the code;on the other hand,the content arrangement of the labor code is guided by the value of realizing labor rights,exploring the pathways for the code’s realization of labor rights in different situations.
基金supported by Scientific Research Fund of Hunan Provincial EducationDepartment(23B1133):How Labor Affects Moral Development:Based on the perspective of mixed research methods.
文摘Background:Understanding the factors that influence adolescent psychological resilience is critical for promoting mental health.This study explores the impact and mechanism of labor values on adolescent psychological resilience from the perspective of emotion regulation theory.Methods:This study conducted an in-depth analysis using the Labor Value Scale on 2691 elementary school upper-grade students,middle school students,and high school students.Results:The results show that:(1)labor values can positively predict adolescents’mental resilience;(2)cognitive reappraisal and expression inhibition play a partial mediating role in the relationship between labor values and adolescents’psychological resilience.Among them,labor values can positively predict adolescents’mental resilience through positive cognitive reappraisal,and labor values can also predict adolescents’mental resilience through expression inhibition.Conclusion:Based on the theory of emotion regulation,this study explores the direct effect of labor values on mental resilience and the mediating effect of different strategies of emotion regulation.The results of this study provide a theoretical basis for improving the mental resilience of adolescents.
文摘Against the backdrop of the rapid development of digitalization today,the platform economy,as an emerging economic form,is profoundly changing the operation mode and resource allocation methods of the labor market.The efficiency of labor resource allocation is an important indicator to measure the vitality and potential of economic development in a country or region.It is not only related to the welfare level of workers but also directly affects the productivity level and development quality of the entire society.With the help of modern information technology means such as Internet technology,big data algorithms,and mobile communication devices,the platform economy closely connects originally scattered individual workers with employers,building a large and complex networked trading platform.Based on this,this paper focuses on the impact and role of the platform economy on the efficiency of labor resource allocation,aiming to stabilize the efficient operation of the labor market.
基金the Obstetrics and Gynecology Hospital of Fudan University for supporting this project。
文摘Objectives A systematic review and network meta-analysis was conducted to evaluate the effectiveness of different childbirth positions in reducing the duration of the second stage of labor,providing evidence-based insights for obstetric institutions to guide interventions related to childbirth positions.Methods A comprehensive literature search was conducted in databases,including PubMed,Web of Science,the Cochrane Library,Embase,Wanfang Databases,China National Knowledge Infrastructure Databases(CNKI),China Science and Technology Journal Database(CSTJ),and China Biology Medicine disc(CBMdisc)to identify studies on the effectiveness of different childbirth positions in reducing the duration of the second stage of labor.The search included randomized controlled trials published from database inception to September 30,2024.The Cochrane risk-of-bias tool was used to assess the quality of the studies.Two independent reviewers screened the literature,extracted data,and evaluated study quality.Subsequently,a network meta-analysis was performed using STATA software.The study protocol has been registered in PROSPERO(CRD42023428217).Results This study analyzed data from 25 randomized controlled trials involving 9,844 women.The findings indicated that in comparison to lithotomy position,free position(MD=20.53,95%CI[11.38,29.68])and upright position(MD=−24.13,95%CI[−42.94,-5.32])were found to be superior in reducing the duration of the second stage of labor.Free position outperformed kneeling position(MD=21.48,95%CI[4.67,38.28])and squatting position(MD=23.43,95%CI[1.88,44.97]);upright position was superior to kneeling position(MD=−25.08,95%CI[−46.93,−3.22]);semirecumbent position surpassed squatting position(MD=19.71,95%CI[2.05,37.38]);and upright position was also superior to squatting position(MD=−27.03,95%CI[−51.48,−2.57]).According to the surface under the cumulative ranking curve(SUCRA),the upright position emerged as the most effective for reducing the duration of the second stage of labor(87.4%),followed by free position(81.1%),semirecumbent position(70.0%),and lateral position(62.3%).Conclusion These findings offer valuable insights for midwifery practice and help inform future research directions.Considering the limitations of this review,more larger-scale,multicenter randomized controlled trials are warranted to further evaluate the relative effectiveness of different childbirth positions in reducing the duration of the second stage of labor.
基金Supported by the Wuxi Municipal Health Commission Maternal and Child Health Research Project,No.FYKY202202.
文摘BACKGROUND The full implementation of the national two-child policy has presented significant challenges in ensuring the safety of pregnant women.AIM To investigate the effect of cervical balloon fluid volume on maternal processes,maternal and infant outcomes,and anxiety during pregnancy.METHODS A total of 100 singleton term pregnancies with cervical maturity induction and anxiety were selected using a lottery method;50 women were included.Cervical balloons were used for all participants.In the control group,80 mL of fluid was injected into both balloons;in the observation group,80 and 100 mL were injected into the vaginal and cervical balloons,respectively.The two groups were compared for cervical maturity,labor duration,anxiety,maternal and infant outcomes,and effects on cervical ripening.RESULTS After treatment,the cervical maturity test(Bishop)score was significantly higher in the observation group(9.76±1.19)than in the control group(7.62±0.83),and the Hamilton Anxiety Scale score was lower in the observation group(7.32±0.85)than in the control group(13.05±1.12).The observation group showed higher rates of natural delivery and lower rates of cesarean section than the control group.The first and total stages of labor were shorter in the observation than in the control group;no significant differences were found in the second and third stages.The incidence of complications was lower in the observation group[1(2.00%)vs 9(18.00%)for complications;49(98.00%)vs 41(82.00%)for non-complications].CONCLUSION The selected fluid volumes to promote cervical maturity and induce labor stabilize maternal mood,increase the natural delivery rate,shorten labor,and improve maternal and infant outcomes.
基金funded by the National Natural Science Foundation of China(Project No.62273289)The Youth Innovation Science and Technology Support Program of Shandong Province(Project No.2022KJ274)+1 种基金Natural Science Foundation of Shandong Province(Grant No.ZR2024MF007)Graduate Innovation Foundation of Yantai University,GIFYTU.
文摘The design and manufacturing of microchannels are crucial aspects of modern micro/nanomanufacturing processes,offering a versatile platform for manipulating and driving micro/nanoparticles or cells.In this study,we propose a method for manufacturing microchannels using optically induced dielectrophoresis technology to induce the polymerization of polyethylene glycol diacrylate solution.To overcome limitations related to the light intensity energy and the size of intact microchannels,we design and manufacture microstructures of various shapes with a height of 4µm.Additionally,we simulate and analyze the movement of and forces acting on polystyrene(PS)microspheres at different spatial positions within the microchannels.Finally,we successfully demonstrate applications involving the transport of PS microspheres in custom-fabricated microchannels.This novel biocompatible microchannel manufacturing method is simple and non-biotoxic.It provides a new approach for simulating physiological environments in vitro and cultivating and manipulating cells.
