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To compare two prostaglandin analogs and two application intervals between mifepristone and the prostaglandin analog administration on the time to abortion in second trimester termination of pregnancy. Other endpoints were live birth rate and fetal lifetime after expulsion. Retrospective data of 373 abortions performed were evaluated. Four medical induction subgroups and two feticide subgroups were considered. The definition criteria of the subgroups were the choice of administered prostaglandin analog (misoprostol vs. sulprostone) and the time interval between mifepristone and prostaglandin analog administration (48 vs. 24 h). The outcome parameters were the time to complete uterine evacuation (TCUE), the live birth rate and duration of fetal life. In the misoprostol subgroups, the median TCUE was 1.6 h longer in the 24-h group than in the 48-h group (p=0.950). In the sulprostone subgroups, the median TCUE was 1.9 h shorter in the 24-h group than in the 48-h group (p=0.950). The median TCUE was shorter for sulprostone than for misoprostol in all six subgroups (p<0.001). The rate of fetal live births ranged between 13.6 and 15.9% within the medical induction subgroups (p=0.969). The median fetal lifetime was slightly shorter in the sulprostone groups than in the misoprostol groups (p=0.563). Both application intervals and prostaglandin analogs are similarly effective. The therapy regime should be adapted to the personal preferences of the woman, the situational and clinical conditions. © 2022 Walter de Gruyter GmbH, Berlin/Boston.


Jana Franzis Franke, Kathrin Oelmeier, Mareike Möllers, Ute Möllmann, Janina Braun, Laura Kerschke, Helen Ann Köster, Walter Klockenbusch, Ralf Schmitz, Kerstin Hammer. Termination of pregnancy in the second trimester - the course of different therapy regimens. Journal of perinatal medicine. 2022 Oct 26;50(8):1053-1060

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PMID: 35532780

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