This study is a multi-center, prospective, observational clinical trial study. 510 full-term pregnant women will be enrolled as subjects, and the ratio of eligible subjects in the two groups is 1:1. In the cesarean section group, full term pregnant women with one prior cesarean section after spontaneous labor who are willing to try the trial of labor after cesarean (TOLAC) and in accordance with the criteria according to the 2016 China vaginal birth after cesarean (VBAC) clinical management guidelines will be enrolled and recorded by our homemade registration form of TOLAC. In the non-cesarean section group, pregnant women after 37 weeks of gestation after spontaneous labor but without vaginal labor contraindications will be enrolled. After spontaneous labor for 24h, their final delivery mode will be recorded. In the following 42 days postpartum, their complications and the neonatal outcome will be followed up.
Study Type
OBSERVATIONAL
Enrollment
510
If the vaginal delivery is failed after spontaneous labor for up to 24h, they will receive cesarean section
First Affiliated Hospital of Nanjing Medical University
Nanjing, Jiangsu, China
RECRUITINGVignial birth rate
After spontaneous labor for up tp 24h, the mode of delivery will be konwn and recorded.
Time frame: 24 hours
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