A randomized comparison between intravaginal misoprostol and prostaglandin E2 for labor induction. 2007

S Sifakis, and E Angelakis, and E Avgoustinakis, and Y Fragouli, and N Mantas, and O Koukoura, and E Vardaki, and E Koumantakis
Department of Obstetrics and Gynecology, University of Crete, Heraklion, Greece. sifakis@excite.com

OBJECTIVE The aim of this randomized study was to compare the effectiveness, safety, and side effects of 6 h vaginal misoprostol versus vaginal prostaglandin E(2) (PGE(2)) for labor induction. METHODS Fifty microgram of misoprostol was given intravaginally in the misoprostol group (204 women), and 3 mg PGE(2) was given intravaginally in the PGE(2) group (211 women). In both groups, the dose was repeated every 6 h for a maximum of three doses, until active labor was achieved. Artificial rupture of membranes and oxytocin infusion was used during labor in both groups where it was indicated. RESULTS The mean interval from the institution of labor induction to delivery was 11.3 +/- 8.6 h for the misoprostol group, and 15.7 +/- 9.3 h for PGE(2 )group (P < 0.05). In the misoprostol group, oxytocin was used less frequently, but there was a higher prevalence of tachysystole. No statistically significant differences were observed between the two groups as regard abnormal patterns of fetal heart rate, the mode of delivery, and the need for neonatal intervention. CONCLUSIONS In conclusion, the intravaginal administration of 50 mug misoprostol at 6 h interval (maximum three doses) is comparable in safety, but more effective for induction of labor than 3 mg intravaginal PGE(2).

UI MeSH Term Description Entries
D007751 Labor, Induced Artificially induced UTERINE CONTRACTION. Induced Labor,Induction of Labor,Labor Induced,Labor Induction,Induced, Labor,Induction, Labor,Inductions, Labor,Labor Inductions
D010120 Oxytocics Drugs that stimulate contraction of the myometrium. They are used to induce LABOR, OBSTETRIC at term, to prevent or control postpartum or postabortion hemorrhage, and to assess fetal status in high risk pregnancies. They may also be used alone or with other drugs to induce abortions (ABORTIFACIENTS). Oxytocics used clinically include the neurohypophyseal hormone OXYTOCIN and certain prostaglandins and ergot alkaloids. (From AMA Drug Evaluations, 1994, p1157) Oxytocic,Oxytocic Agent,Oxytocic Drug,Uterine Stimulant,Uterine Stimulants,Oxytocic Agents,Oxytocic Drugs,Oxytocic Effect,Oxytocic Effects,Agent, Oxytocic,Agents, Oxytocic,Drug, Oxytocic,Drugs, Oxytocic,Effect, Oxytocic,Effects, Oxytocic,Stimulant, Uterine,Stimulants, Uterine
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D004334 Drug Administration Schedule Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience. Administration Schedule, Drug,Administration Schedules, Drug,Drug Administration Schedules,Schedule, Drug Administration,Schedules, Drug Administration
D005260 Female Females
D006340 Heart Rate, Fetal The heart rate of the FETUS. The normal range at term is between 120 and 160 beats per minute. Fetal Heart Rate,Fetal Heart Rates,Heart Rates, Fetal,Rate, Fetal Heart,Rates, Fetal Heart
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000282 Administration, Intravaginal The insertion of drugs into the vagina to treat local infections, neoplasms, or to induce labor. The dosage forms may include medicated pessaries, irrigation fluids, and suppositories. Administration, Vaginal,Drug Administration, Vaginal,Instillation, Vaginal,Intravaginal Administration,Vaginal Drug Administration,Vaginal Administration,Administration, Vaginal Drug,Administrations, Intravaginal,Administrations, Vaginal,Administrations, Vaginal Drug,Drug Administrations, Vaginal,Instillations, Vaginal,Intravaginal Administrations,Vaginal Administrations,Vaginal Drug Administrations,Vaginal Instillation,Vaginal Instillations
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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