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Abstract Objective: To compare the safety and efficacy of double balloon dilation and propess for preinduction cervical ripening and labor induction in pregnancy women with oligohydramnios. Methods: Using a retrospective case-control study method, 220 pregnant women of full-term pregnancy with single term pregnant, proper fetal position, 50-80 of amniotic fluid index and indications for labor induction were recruited. One hundred and twenty women treated with double balloon were as the study group and 100 women with propess as the control group. The effect of induction, mode of delivery, the outcome of pregnancy and complications were compared between the two groups. Results: The cervical ripening rate of vaginal delivery in the study group was 100.00%, significantly higher than that in the control group (89.00%, P<0.05); the success rate of vaginal delivery in the study group (82.35%) was significantly higher than that in the control group (66.00%). A total of 120 women in the study group and 100 in the control group delivered naturally, and the effective rate were 82.35% and 66.00%, respectively. The cesarean section rate in the study group (17.65%) was significantly lower than that of the control group (34.00%, P<0.05). There were no significant differences in maternal and neonatal outcomes between the two groups (P＞0.05). Three (2.5%) women experienced complications in the study group and 4 (4.0%) in the control group, showing no significant difference between the two groups (P＞0.05). Conclusion: In promoting ripening of the cervix, double balloon is significantly better than propess, and the device can not increase the complications of mothers and newborns.
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