• Hao Li, Lijun Yang, Jing Peng, Wenxing Cheng, Hongwen Ma, Shiyao Wu, Jiao Wen, and Yun Zhao.
• Department of Obstetrics, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, No. 745, Wuluo Road, Hongshan District, Wuhan, 430070, China.
• Ir J Med Sci. 2024 Jun 1; 193 (3): 135113581351-1358.

ObjectiveThere have been limited reports on the duration of labor progression in pregnant women undergoing vaginal birth after cesarean (VBAC). This study aimed to investigate the duration of labor progression during VBAC in Hubei, China.MethodsA total of 359 pregnant women undergoing VBAC were enrolled as the VBAC group, meeting the following criteria: singleton pregnancy, gestational age ≥ 37 weeks, live birth, history of cesarean delivery, and a willingness to attempt a vaginal delivery. At the same time, 359 primiparas successfully undergoing vaginal delivery were randomly enrolled in the control group at a 1:1 ratio. Subsequently, the durations of the first, second, and third stages of labor were comparatively analyzed between the two groups.ResultsThe duration of the first, second, and total stages of labor in the VBAC group was significantly shorter than that in the control group (p < 0.05). There was no significant difference in the duration of the third stage of labor between the two groups (p > 0.05). The amount of blood loss, the rate of postpartum hemorrhage (PPH), and episiotomy were higher in the VBAC group than in the control group (p < 0.05). The rate of labor analgesia and intrapartum fever in the VBAC group was significantly lower than that in the control group (p < 0.05).ConclusionThe duration of labor progression of the first, second, and total stages of VBAC is shorter than that in primiparous women in our observation in China.© 2024. The Author(s), under exclusive licence to Royal Academy of Medicine in Ireland.

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