剖宫产术后再次妊娠阴道分娩与初产妇阴道分娩产程特征的比较分析

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Abstract Objective To compare and analyze the labor characteristics of vaginal delivery after cesarean section(VBAC) and vaginal delivery of nulliparas with good outcome.Methods The clinical data of single-term full-term maternal women who had successful vaginal delivery and normal neonatal outcomes (5-minute Apgar score ≥7 points)from January to December 2017 in Headquarter of Suzhou Municipal Hospital were retrospectively analyzed,including 290 women undergoing VBAC as VBAC group,and 311 women with vaginal delivery at the same time were selected as the nulliparas group.Comparison of total labor duration and labor duration at different stages between two groups with or without interventions were performed.Results The total labor duration,the 2-10 cm period of the uterine dilation in the first labor stage,and the second labor stage in the VBAC group were shorter than those in the nulliparas group (455.0 [340.0,652.5]vs.530.0 [380.0,733.0]min;100.0 [60.0,190.0]vs.130.0 [80.0,220.0]min;31.0 [20.0,47.0]vs.43.0 [28.0,69.0]min),the differences were statistically significant (P＜0.05).There was no statistically significant difference in the third stage of labor between the two groups (P＞0.05).The total labor duration,＜2 cm and 2-10 cm period of the uterine dilation in the first stage of labor,and the second stage of labor in the VBAC group with natural delivery were shorter than those in the nulliparas group with natural delivery (420.0 [315.0,560.0]vs.487.5 [371.3,646.3]min;300.0 [180.0,408.8]vs.337.5[210.0,480.0]min;80.0 [50.0,116.3]vs.109.0 [60.0,150.0]min;28.0 [18.0,45.0]vs.37.5 [28.0,54.3]min),the differences were statistically significant (P＜0.05).For women who took interventions such as Oxytocin,artificial rupture of membranes,and epidual analgesia,the total labor duration of the VBAC group was similar to that of the nulliparas group (P>0.05).Conclusion Compared with nulliparas,VBAC women with natural delivery has a shorter labor duration.Therefore,for pregnant women who are pregnant again after cesarean section,VBAC can be recommended to those who meet the indications.

Key words： Vaginal delivery after cesarean section Labor duration Nulliparas Retrospective analysis

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	JIA Yue-gai
	WU Xiao
	CHAI Li-qiang
	KANG Su-ya

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JIA Yue-gai,WU Xiao,CHAI Li-qiang, et al. Comparative analysis of labor pattern of vaginal delivery after cesarean section and vaginal delivery of nulliparas[J]. 中国当代医药, 2020, 27(35): 20-24.

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https://www.dangdaiyiyao.com/EN/ OR https://www.dangdaiyiyao.com/EN/Y2020/V27/I35/20

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