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目的:研究产妇分娩前行外倒转术对剖宫产率的降低效果及影响因素。方法:抽取2019年1月至2020年2月于惠州市第六人民医院进行定期产检的足月单胎臀位产妇80例为研究组，所有产妇均于分娩前进行外倒转术干预。另抽取同期行定期产检的足月单胎臀位产妇80例作为对照组，均实施常规处理。比较两组分娩结局以及并发症发生情况。此外，对产妇分娩前外倒转术成功的相关影响因素分别予以单因素以及多因素Logistic回归分析。结果:研究组阴道分娩率(80.00%，64/80)高于对照组(21.25%，17/80)，而剖宫产率(20.00%，16/80)低于对照组(78.75%，63/80)，n P<0.05。研究组并发症总发生率(0.00%，0/80)低于对照组(5.00%，4/80)，n P<0.05。经单因素分析发现，脐带长度、产次以及使用宫缩抑制剂与否均是产妇分娩前外倒转术成功的影响因素(n P均<0.05)。经多因素Logistic回归分析发现，脐带长度、经产妇以及使用宫缩抑制剂均是产妇分娩前外倒转术成功的保护性因素(n P均<0.05)。n 结论:产妇分娩前行外倒转术在降低剖宫产率方面效果显著，且有利于减少并发症的发生。脐带长度、经产妇以及使用宫缩抑制剂均会在一定程度上提高产妇分娩前外倒转术的成功率。“,”Objective:To study the effects of external cephalic version before delivery on reduction of cesarean section rate and its influencing factors.Methods:A total of 80 pregnant women with full-term singleton breech fetus who underwent regular prenatal examination in the Sixth People’s Hospital of Huizhou from January 2019 to February 2020 were selected as the study group. The pregnant women in the study group were intervened by external cephalic version before delivery. In addition, 80 pregnant women with full-term singleton breech fetus who underwent regular prenatal examination during the same period were selected as the control group. And patients in the control group were treated by routine treatment. Outcomes and complications were compared between the two groups. In addition, univariate analysis and multivariate Logistic regression analysis were used to analyze the influencing factors of the success of external cephalic version before delivery.Results:The vaginal delivery rate in the study group (80.00%, 64/80) was higher than that in the control group (21.25%, 17/80), while the cesarean section rate in the study group (20.00%, 16/80) was lower than that in the control group (78.75%, 63/80), n P<0.05. The total incidence of complications in the study group (0.00%, 0/80) was lower than that in the control group (5.00%, 4/80),n P<0.05. Univariate analysis showed that umbilical cord length, delivery times, and use of uterine contraction inhibitors were the factors influencing success of external cephalic version before delivery (alln P<0.05). Multivariate Logistic regression analysis showed that umbilical cord length, multigravida, and using uterine contraction inhibitors were the protective factors for the success of external cephalic version before delivery (alln P<0.05).n Conclusions:External cephalic version before delivery is effective in reducing cesarean section rate, and it is beneficial to reduce the occurrence of complications. In addition, the length of the umbilical cord, multigravida, and using contractile inhibitors are positive influencing factors of success rate of perinatal delivery to some extent.