摘要
目的:探讨孕前体质指数(BMI)、孕期增重(GWG)的变化与早产相关性。方法:以1 438例单胎产妇为研究对象,测量其孕前身高、体重和分娩前最后一次体重,计算孕前BMI及GWG。将BMI<18.5 kg/m2为体重过低组,18.5 kg/m2≤BMI<23.9 kg/m2为体重正常组,24 kg/m2≤BMI<27.9 kg/m2为超重组,BMI≥28kg/m2为肥胖组。根据GWG分为GWG<10 kg、10 kg≤GWG≤15 kg、16 kg≤GWG≤19 kg、GWG≥20 kg 4个组,了解孕前BMI和GWG对早产结局的影响。结果:1 438例活产单胎新生儿中6.3%发生早产。孕前体重过低组早产发生率高于体重正常和超重组,差异无统计学意义(P>0.05);GWG<10 kg组早产的发生率高于10 kg≤GWG≤15 kg和16 kg≤GWG≤19 kg组,差异有统计学意义(P<0.05);孕前体重过低组孕期增重明显低于体重正常组,孕前体重过低组发生早产的孕妇孕期增重明显低于足月产,孕前体重正常组发生早产的孕妇孕期增重明显低于足月产,差异均有统计学意义(P<0.05)。结论:孕期增重过低或者偏高与早产危险性增加有关,应关注孕期体重变化从而减少早产的发生。
Objective： To explore the correlation between changes of progestational body mass index （BMI）, gestational weight gain and preterm delivery. Methods： A total of 1 438 singleton pregnancy women were selected as study objects, the progestafional height, body weight, and body weight before delivery were measured, the progestational BMI and gestational weight gain were calculated. The women with BMI 〈 18.5 kg/m2 , 18.5 kg/m2 ≤ BMI 〈 23.9 kg/m2 , 24 kg/m2 BMI 〈 27.9 kg/m2 , and BMI ≥ 28kg/m2 were selected as low weight group, normal weight group, overweight group, and obese group, respectively. All the women were divided into four groups according to gestational weight gain： gestational weight gain 〈 10 kg, 10 kg≤ gestational weight gain≤ 15 kg, 16 kg≤ gestational weight gain ≤ 19 kg, gestational weight gain t〉 20 kg; the effects of progestational BMI and gestational weight gain on outcome of premature delivery were re- searched. Results： Among 1 438 single live birth neonates, 6. 3% of them were premature infants. The incidence rate of premature delivery in low weight group was higher than those in normal weight group and obese group, but there was no statistically significant difference （ P 〉 0. 05） ; the incidence rate of premature delivery in gestational weight gain 〈 10 kg group was statistically significantly higher than those in 10 kg≤gestafional weight gain≤15 kg group, and 16 kg≤gestational weight gain≤19 kg group （P 〈0.05） ; gestational weight gain in low weight group was significantly lower than that in normal weight group; in low weight group, the gestational weight gain in pregnant women of premature delivery was significantly lower than that in pregnant women of term delivery; in normal weight group, the gestational weight gain in pregnant women of premature delivery was significantly lower than that in pregnant women of term delivery, there were statistically signifi- cant differences （P 〈 0.05 ） . Conclusion： Too low or high gestational weight gain is cmTelated with increase of risk of premature delivery, the change of gestational weight should be paid more attention to reduce the occurrence of premature delivery.
出处
《中国妇幼保健》
CAS
北大核心
2013年第31期5131-5133,共3页
Maternal and Child Health Care of China
基金
山西省百人计划项目(特聘教师)
山西省回国留学人员科研项目〔2008-50〕
关键词
早产
体质指数
孕期增重
Preterm delivery
Body mass index
Gestational weight gain
