OBJECTIVE:To compare a new regimen for second trimester abortion using Dilapan and vaginal gemeprost suppositories with extra-amniotic Rivanol instillation and oxytocin i.v. immediately or 16 h after instillation.METHODS:A prospective study was performed in 153 women to analyze the induction-abortion interval, the use of analgesics and the complication rate. Wilcoxon's rank sum test was used for statistical evaluation.RESULTS:The mean induction-abortion interval was significantly shorter in the Dilapan-gemeprost-treated women than in the immediate or 16-h Rivanol-oxytocin-treated women, 12.5 vs. 23.3 and 26.8 h, respectively. The 24-h cumulative abortion rate was 91% in the former group vs. 49% and 61%, respectively. The use of analgesics was less frequent among the Dilapan-gemeprost-treated women, whereas the complication rate did not differ.CONCLUSIONS:The Dilapan-gemeprost treatment was advantageous with respect to a shorter induction-abortion interval and ease of handling. However a minority of women do not respond to this treatment and it is therefore necessary to employ alternative methods to complete the abortion in these cases.
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