A comparison of oral versus vaginal misoprostol for induction of labor at term, at the Ahmadu Bello University Teaching Hospital, Zaria
Background: The comparison of same,equal and low dose of misoprostol by the oral and vaginal routes for induction of labour at term requires further elucidation.
Objective: To compare the efficacy and safety of 25 micrograms (ug) of oral misoprostol with 25ug vaginal misoprostol for induction of labor at term.
Methods: A randomised control trial that involved 169 consented women with indication for induction of labor. A total of 85 women had oral misoprostol while 84 women had vaginal misoprostol. The oral misoprostol dose (25ug) was repeated every 2 hours, while the vaginal dose (25ug) was repeated every 6 hours for a maximum duration of 24 hours or when need arose for intervention. Data was analysed using SPSS version 20.
Results: The mean induction-delivery interval was significantly shorter (18.48 +/- 2.01 vs. 22.82 +/- 2.50, P = 0.00), with more vaginal deliveries (88.2% vs. 85.7%, P = 0.00) in the oral group compared to the vaginal group respectively. The cardiotocographic abnormalities in the vaginal group were significantly higher than the oral group (8.3% vs. 1.2%, P = 0.03). There were more foetal distress and meconium stained liquor in the vaginal group but not statistically significant.
Keywords: Efficacy; oral misoprostol; safety; vaginal misoprostol
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