Medical abortion (i.e. abortion induced by pharmaceutical agents) is a method of pregnancy termination administered most often in the second trimester in case of either fetal malformations or absence of fetal heart tones (missed abortion. Aim of the study was to compare effects of two regimens of drug adminstration for pregnancy termination in case of fetal anomalies registered in the second trimester of pregnancy. The investigation was performed in 52 patients of the Universitasklinik fur frauenheilkunde, Allgemaines krankenhaus (AKH), Klinische Abteilung fur Gynakologie und Geburtshilfe, Abteilung fur pranatale diagnostic und therapie and comprised two groups of patients in whom pregnancy termination was performed in the second trimester because of the presence of fetal malformations. Comparison analysis of the effect of the two regimens for pregnancy termination has been conducted in two groups of patients: Group A, who received R R R Cergem (Gemeprost) and Group B, who received a combination of Myfegine (Myfepriston) and Cyprostol (Misoprostol). Complete medical abortion occurred approximately at the same rate in both investigated groups (Group A - 10 (35.7%); Group B - 9 (37.5%). Curettage (Vacum aspiration) following the incomplete medical abortion was required in the group R R with Gemeprost in 18 (64.3%), and in the group with Myfegine /Cyprostol in 15 (62.5%) patients. A regimen of mifepristone pre-treatment followed by misoprostol applied in the Group B presented with financial benefits according to the present time prices of drugs in Austria relative to the regimen administered in the Group A, in which the cost of a single or a two-day treatment by gemeprost was significantly more expensive.

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