Abstract
Modern-day obstetrics recommend induction of labor by medical or mechanical methods where continuation of pregnancy causes detrimental effect to the health of mother or fetus. One of the prerequisites for successful vaginal delivery includes a favorable or ripe cervix. We undertook the present study to find out the safety and efficacy of mifepristone for pre-induction cervical ripening and its effect on Bishop's score in term pregnancy. A total of 100 patients with term pregnancy were enrolled for this study. 200 mg of mifepristone was administered orally, and efficacy of mifepristone was assessed based on improvement in modified Bishop's score at 48 h. If there was inadequate improvement in Bishop's score after 48 h, additional intracervical cerviprime was administered for induction. Out of 100 patients, 50 women delivered vaginally after administration of mifepristone. Twenty-four patients delivered vaginally within 48 h of administration of mifepristone. We observed the Bishop's score of 6 or moreat 48 h in 69% participants. Fifty patients required additional intracervical cerviprime. Thirty participants underwent cesarean section. Mean Modified Bishop's score at 0 h was 1.87 and improved to 6.92 after 48 h after mifepristone. A statistically significant difference was found with mean Bishop's score with p value < 0.005. In our study, we found that mifepristone is a safe and effective cervical ripening agent in term pregnancy with unfavorable cervix. It is well tolerated and leads to significant cervical ripening with improvement in Bishop's score favoring vaginal delivery.
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