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September 20, 1976

Rifampin, Oral Contraceptives, and Pregnancy

Author Affiliations

From the departments of medicine (Drs Skolnick, Stoler, and Anderson) and obstetrics and gynecology (Dr Katz), University of Louisville School of Medicine, Louisville, Ky.

JAMA. 1976;236(12):1382. doi:10.1001/jama.1976.03270130044027

Rifampin is a drug used in the treatment of tuberculosis. In the literature, there are reports of seven patients who became pregnant while taking a combination of rifampin and oral contraceptives. We report an eighth case involving a woman who became pregnant twice on this drug combination.

(JAMA 236:1382, 1976)