Intrapartum interventions that affect maternal and neonatal outcomes for vaginal birth after cesarean section

• Published in: Journal of international medical research Vol. 48; no. 2; p. 300060519882808
• Main Authors: Wu, Shao-Wen, Dian, He, Zhang, Wei-Yuan
• Format: Journal Article
• Language: English
• Published: London, England SAGE Publications 01.02.2020; Sage Publications Ltd; SAGE Publishing
• Subjects: Cesarean Section; Childbirth & labor; China; Epidural; Female; Humans; Infant, Newborn; Labor, Obstetric; Pregnancy; Retrospective Clinical Research; Retrospective Studies; Vagina; Vaginal Birth after Cesarean; China; Vaginal birth after cesarean delivery (VBAC); epidural analgesia; oxytocin; intrapartum intervention; induction; delivery mode
• ISSN: 0300-0605; 1473-2300
• DOI: 10.1177/0300060519882808

Objective To investigate maternal and neonatal outcomes after different intrapartum interventions for vaginal birth after cesarean section (VBAC) in mainland China. Methods A retrospective study was performed on 143 VBAC cases from Beijing Obstetrics and Gynecology Hospital between January 2015 and November 2016. These cases were divided into two groups on the basis of different intrapartum interventions. Maternal and neonatal outcomes were compared. Results The durations of the first stage and total labor after oxytocin were significantly longer than those before oxytocin use. The proportion of operative vaginal delivery with oxytocin was significantly higher than that without oxytocin (43.9% vs. 11.8%). The times of the first stage, second stage, and total labor with analgesia were significantly longer than those without analgesia (548.4±198.1 vs. 341.8±233.0 minutes, 52.0±38.9 vs. 36.0± 29.1 minutes, and 606.3±212.1 vs. 387.3±233.0 minutes, respectively). Postpartum hemorrhage and operative vaginal delivery occurred significantly more frequently in women with epidural analgesia than in those without epidural analgesia (29.7% vs. 12.3 and 35.1% vs. 16.0%, respectively). Conclusions Induction can increase the rate of operative vaginal delivery in VBAC. Oxytocin and epidural analgesia may increase the risk of operative vaginal delivery, and may be associated with a prolonged duration of labor.