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Biomedical subjects

P C Schwallie

Publications and source records attributed to P C Schwallie.

8 recordsLinked to original sources

The effect of depot-medroxyprogesterone acetate on the fetus and nursing infant: a review.

Data from published studies of the quantity of medroxyprogesterone acetate and/or its metabolites in the milk of lactating women receiving Depo-Provera for contraception is extrapolated into the amount of drug ingested daily by a theoretically average infant. Comparisons are made with the results of similar studies in animals. Fetal metabolism of medroxyprogesterone acetate is reviewed. Embryonic and fetal development of the human reproductive system is discussed. Results of studies of the effects of steroidal hormones, particularly medroxyprogesterone acetate, on mental development and sexual dimorphic behavior after exposure in utero are presented. It is concluded that the very small amount of drug and/or its metabolites ingested by the nursing infant via breast milk is highly unlikely to have any significant effect on the nursing infant.

Animals↗

Use of intramuscular prostaglandin for failure of mid-trimester abortion by another method.

Eight investigators, using a common protocol, studied the use of intramuscular (15S)-15-methyl prostaglandin F2 alpha to abort midtrimester pregnancies which had failed treatment by other methods in 398 cases. Results of treatment of 3 subgroups, defined by reason for primary treatment failure, are presented. The combined efficacy rate was 96.2% with 79.6% of the abortions being complete. The mean time from starting intramuscular therapy to successful abortion was 7.35 hours. The incidence of gastrointestinal side-effects was lower than that previously reported for systemically administered prostaglandins. Serious complications were not appreciably different from those reported for commonly used methods of second trimester abortion except for a slightly higher incidence of excessive bleeding requiring blood replacement. Advantages of this method over currently used methods of treating failures of primary attempts to induce midtrimester abortion by pharmacologic means are discussed.

Abortion, Incomplete↗

Induction of abortion by intramuscular administration of (15S)-15-methyl PGF2 alpha. An overview of 815 cases.

The use of intramuscular (15S)-15-methyl prostaglandin F2 alpha (Prostin/15 M [The Upjohn Company, Kalamazoo, Michigan] sterile solution; carboprost tromethamine) for termination of pregnancy between six and 24 weeks' gestation was studied by 20 investigators. Of 815 women treated according to the dosage regimen described here, 78.4% had complete abortions and 18.0% incomplete abortions, for an overall success rate of 96.4%. The majority of patients had vomiting and diarrhea but usually tolerated these side effects well enough that treatment did not have to be discontinued. There were no serious adverse reactions directly attributable to the prostaglandin therapy.

Abortion, Induced↗