摘要
To the Editor:Cesarean section(CS)resolves dystocia and serious pregnancy-related complications but also has adverse outcomes such as long recovery time,uterine rupture,and dangerous placenta previa in future pregnancies.The increase in cesarean section rates(CsRs)worldwide has drawn the attention of international scholars.
基金
supported by grants from the Capital's Funds for Health Improvement and Research(No.2020-2-2113)
Beijing Obstetrics and Gynecology Hospital Capital MedicalUniversity(No.FCYY201801).