1·Methods:A total of 4816 primiparas with vaginal delivery or cesarean section were studied.
方法：对4816例分娩的初产妇，采用弯盘、量杯收集测量产后2小时内及术中出血量。
2·There was no difference in the total time of vaginal delivery between the two groups(P>0.05).
两组顺产产妇的总产程时间差异无显著性（P>0.05）；
3·Methods 120 pregnant women who had the history of cesarean section were planned to undergo vaginal delivery.
方法对120例剖宫产后再次妊娠孕妇经阴分娩情况进行观察。
4·Objetive to investigate the practicability of vaginal delivery to women who had the history of cesarean section.
目的研究探讨剖宫产后再次妊娠经阴分娩的可行性。
5·The highest levels of cortisol are found in those born by assisted vaginal delivery using forceps or vacuum extraction.
皮质醇水平最高的是那些通过手术钳或真空抽取而娩出的婴儿。
6·OBJECTIVE To explore the full-term pregnancy the amniotic fluid of pregnant women decreased vaginal delivery security.
目的探讨足月妊娠羊水偏少的孕妇阴式分娩的安全性。
7·We know that the stress of being born is fundamentally different after planned C-section compared to normal vaginal delivery.
诺门教授说：“我们知道剖宫产时压力跟一般自然生产是完全不同的。
8·Previous studies have found that cortisol levels in cord blood are lowest in babies born by elective Caesarean, followed by spontaneous vaginal delivery.
先前的研究发现，婴儿脐带血中的皮质醇水平剖腹产最低，其次是顺产。
9·During her second pregnancy, the 25-year-old went to every hospital in Yichang, determined to find a doctor willing to allow her to attempt a vaginal delivery.
与许多中国妇女一样，万歆笛在第一个宝宝降生时经历了一场医疗上不必要的剖腹产手术。 在怀二胎期间，25岁的万歆笛走遍了宜昌每一家医院，决心要找到一位愿意让她尝试顺产的医生。
10·Fresh umbilical cords were obtained following delivery of healthy babies to healthy normotensive mothers, either by vaginal delivery or by elective Caesarean section.
实验材料为郑州大学第一附属医院妇产科住院的健康顺产或剖宫产患者自愿捐献的新生儿无血肿、夹痕的脐带。