A Comparative Study of Vaginal, Sublingual, and Buccal Misoprostol in Induction of Labor in Term Pregnancy

Article Type:
Research/Original Article (دارای رتبه معتبر)
Background & Objective

The purpose of this study was to compare the effectiveness of Buccal, Vaginal, and Sublingual misoprostol for induction of labor in term pregnancy.

Materials & Methods

The research was done as an RCT from 2017 to 2018. About 300 participants were randomly allocated to obtain 50 µg Buccal, 25 µg Vaginal, and 50 µg Sublingual misoprostol in Kosar Hospital, Qazvin, Iran. The maternal and fetal complications, Bishop score hour 1, and hour 6 were observed.


There were no differences between fetal complications (p>0.05) and maternal complications (p>0.05) among the three groups. Bishop score hour 1 (P = 0.146), Bishop Score hour 6 (P = 0.704), and total dose (P = 0.15) also were no differences among these groups. Our study found a difference between the three groups (P = 0.015) in achieving standard vaginal delivery within 24 hours, as Buccal, Sublingual and Vaginal groups were performed respectively. The use of Oxytocin in the Buccal group was higher than that of other groups (P = 0.022).


This study found that there is no difference in terms of fetal complications and maternal complications in the three groups, but there was a significant difference in Oxytocin use and vaginal delivery within 24 h from the start of induction.

Journal of Obstetrics, Gynecology and Cancer Research, Volume:9 Issue: 2, Mar-Apr 2024
131 to 136
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