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  • Title: Mid-trimester termination of pregnancy with 16,16-dimethyl-trans-delta 2 PGE1 vaginal pessaries: a comparison with intra- and extra-amniotic prostaglandin E2 administration.
    Author: Hill NC, Selinger M, Ferguson J, MacKenzie IZ.
    Journal: Int J Gynaecol Obstet; 1991 Aug; 35(4):337-40. PubMed ID: 1682182.
    Abstract:
    PGE1 analogue (gemeprost) vaginal pessaries administered three hourly for three doses has been compared with a single extra- or intra-amniotic injection of PGE2 for mid-trimester termination of pregnancy in 450 women between 13 and 20 weeks gestation. The mean (SD) induction-abortion interval (IAI) in the vaginal pessary group of 19.5 (8.4) h was significantly longer than the respective intervals of 14.4 (9.3) and 16.1 (6.8) h in the patients treated extra- or intra-amniotically (P less than 0.001). Seventy-three percent treated with gemeprost aborted within 24 h of initial treatment compared with 84% and 87%, respectively in the extra- and intra-amniotic groups (P less than 0.05). Patients treated with gemeprost were more likely to need further prostaglandin treatment and had an increased incidence of gastrointestinal side effects. Despite these differences vaginal gemeprost pessaries provide a safe, effective, easy to administer method for midtrimester termination of pregnancy.
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