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Abstract Objective: To evaluate the effect, safety and economy of water balloon dilation compared with dinoprostone suppositories for inducing labor of fullterm pregnancy. Methods: 120 women with fullterm pregnancy were divided into study group and control group. The women in study group were treated by water balloon dilation for induced labor, and the women in control group were treated by dinoprostone suppositories for induced labor. The cervical Bishop score of women in both groups were evaluated before treatment, and at 4 hours, 12 hours and 24 hours after treatment. Delivery situation of all women and state of neonate, such as neonatal Apgar score, birth weight, rate of amniotic fluid pollution and fetal distress were all recorded. Results: The cervical Bishop scores of women in both groups after treatment were significant increased than those of women before treatment (P<0.05). There were no significant difference in the cervical Bishop score of women between the two groups at 4 hours, 12 hours and 24 hours after treatment (P>0.05). Postpartum hemorrhage volume, oxytocin dosage and vaginal delivery rate of women had no statistical significant between the two groups (P>0.05). The time of treatment to delivery and time of total labor of women in study group were significant shorter than those of women in control group (P<0.05), and the cost of treatment of women in study group was also significant lower than that of women in control group (P<0.05). There were no significant difference in neonatal Apgar score, neonatal weight, rate of amniotic fluid contamination IIIII degrees, and rate of fetal distress between the two groups (P>0.05). Conclusion: Comparing to dinoprostone suppositories for inducing labor of fullterm pregnancy, water balloon dilation has better efficacy, safety and economic.
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