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  • Title: [Comparative studies on the termination of intact and disturbed pregnancies by intramuscular application of 15(s)-15-methyl-prostaglandin F2alpha (author's transl)].
    Author: Schridde H, Hickl EJ.
    Journal: Geburtshilfe Frauenheilkd; 1978 Oct; 38(10):845-8. PubMed ID: 700344.
    Abstract:
    15(S)-15-Methyl-Prostaglandin F2alpha was applied intramuscular to end 27 intact pregnancies mainly in the second trimenon and to induce abortion in 5 cases of disturbed pregnancy. The results showed a similar success of 90 percent in the cases of interruptions compared with the natural prostaglandins applied either extra- or intraamniotic; in the mean induction-abortion-interval of 16 hours the 15(S)-15-Methyl-Prostaglandin F2alpha is better than natural prostaglandins. It is much simpler to apply, the dosage is less. The initial dose is 250 mcg intramuscular, further doses depend on the success achieved, the effect on the bowel activity may be used as indicator. The intramuscular method avoids complications connected with the intraamniotic application, infections of the intracervical catheter lying for a long time and the severe side effects of the intravenous application. In cases of missed abortion and hydatidiform moles, where the use of natural prostaglandins is problematic, the use of 15(S)-15-Methyl-Prostaglandin F2alpha is a progress in this form of therapy. 32 women received intramuscular injections of 15(S)-15-methyl-prostaglandin F2 alpha(15SMPGF2A) to terminate pregnancy. 27 of the women, average age 23.4 years, underwent legal abortion due to medical indications, mostly in the second trimester of pregnancy. There were also 3 cases of missed abortion and 2 cases of hydatidiform moles. The initial dosage was 250mcg which was repeated, increased, or decreased evey 2 hours, depending on how effectively abortion was induced. A success rate of 90% was recorded, and the remaining 10% were all nulliparae. The average induction-abortion interval was 16 hours, higher among nulliparae and for pregnancies from the 16th to the 21st weeks. No complications, i.e. cervical injuries or serious bleeding, were observed. Increased bowel activity was the most common side effect observed, and can be used as a dosage indicator. Vomiting, heat flashes, and coughing were other observed side effects. Intramuscular 15SMPGF2A injections are easy to administer, show decreased induction-abortion intervals, and are especially advantageous in treating missed abortion and hydatidiform moles.
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