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| Comparison of clinical effects of 160ml single and double balloon for promoting cervical ripening of women with full term pregnancy during delivery |
| 1. Maternal and Child Health Care and Family Planning Service Center of Liangshan Prefecture, Xichang,Sichuan Province, 615000, China；2. Xichang People’s Hospital |
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Abstract Objective: To study the clinical effect and safety of 160ml single and double balloon for promoting cervical ripening of women with full term pregnancy during delivery. Methods: 112 full term pregnant women who had induction indications were divided into group A (double chamber group) and group B (single chamber group, 56 cases in each group) according to the random number table method from October 2016 to October 2018. The labor induction effect, cervical Bishop scores, labor time, and delivery modes of women, and maternal and infant outcomes were compared between the two groups. Results: After labor induction, the Bishop scores of women in the two groups were significantly increased (P<0.05), and the scores of in group A was 6.8±1.3 points, which was significant lower than that (7.5±1.4points) of women in group B (P<0.05). There was no significant difference in the effective rate of labor induction between the two groups (96.4% VS. 92.9%, P>0.05). The time of labor of women in group A was 17.3±4.2h, which was significant longer than that (15.5±3.9h) of women in group B. And the duration of total labor stage of women in group A was 9.4±1.9h, which was significant shorter than that (10.4±2.1h) of women in group B (P<0.05). The hemorrhage amount during delivery, and the rates of postpartum hemorrhage and infection of women in group A were 139.7±29.6ml, 3.6%, and 1.8%, respectively, which were significant lower than those (156.4±32.6ml, 5.4% and3.6%) of women in group B (P<0.05). The rate of neonatal asphyxia in group A was 3.6%, which was significant higher than that (1.8%) in group B (P>0.05). There were no significant difference in the rate of natural delivery during 24h, the cesarean section rate, the postpartum hemorrhage amount, and neonatal Apgar score between the two groups (P>0.05). Conclusion: Single chamber balloon has certain advantages in speed of promoting cervical ripening, which can significantly shorten the time of labor, but double chamber balloon is beneficial to shorten the labor process and reduce the hemorrhage amount during delivery. Both single and double chamber balloon for promoting cervical ripening have good clinical effects and safety.
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