• Acta Obstet Gynecol Scand · Mar 1999

    Clinical Trial

    Labor induction by vaginal misoprostol in grand multiparous women.

    • C Bique, A Bugalho, and S Bergström.
    • Department of Obstetrics and Gynaecology, Central Hospital, Maputo, Mozambique.
    • Acta Obstet Gynecol Scand. 1999 Mar 1; 78 (3): 198-201.

    BackgroundGrand multiparous women in poor and under-privileged settings run a high risk of uterine rupture at labor induction. The purpose was to elucidate whether vaginal misoprostol medication is a safe and cost-effective alternative induction method in grand multiparous women, in whom, under prevailing circumstances, induction by oxytocin is associated with high risk of adverse maternal outcome of pregnancy.MethodOne hundred and sixty-five grand multiparous parturient women with five or more previous deliveries were divided into two groups. The first group (n=134) had the fetus alive and the second (n=31) had late intrauterine fetal death. Both groups were subject to induction of labor by use of vaginal misoprostol in a dose of 50 microg (live fetus) and 100 microg (intrauterine fetal death). No additional oxytocin was utilised.ResultsLabor induction by vaginal misoprostol was successful in grand multiparous women. The proportion of women requiring a Cesarean section was 6.0%, which is less than one third of the average Cesarean section rate in the setting studied. Women with fetus alive had significantly shorter application-to-expulsion interval (AEI) than women with fetal death (10.1 versus 15.4 hours; p=0.039). Significantly shorter AEI was recorded in women with prelabor rupture of membranes (9.1 hours) than in women with intact membranes (12.9 hours) (p=0.01). With Bishop's score > or = 5 and < 5 AEI was 8.7 hours and 14.4 hours, respectively (p=0.001). No significantly adverse neonatal or maternal outcomes of pregnancy were registered and it was specifically noted that no uterine rupture occurred among the 165 grand multiparous women induced.ConclusionsInduction of under-privileged grand multiparous women with live fetus or with fetal death can be performed safely and cost-effectively by vaginal misoprostol.

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