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May 5, 1962

Long-Term Administration of Norethindrone in Fertility Control

Author Affiliations

Mexico City

From the Clinic of the Asociacion Mexicana Pro-Bienestar de Familia.

JAMA. 1962;180(5):355-358. doi:10.1001/jama.1962.03050180001001

Fertility control by cyclic norethindrone administration was studied in 364 women over a period of 32 months, for a total of 6,062 cycles. The agent was effective, harmless, and more acceptable than any other method available. Subsequent fertility was unimpaired. There were additional desirable effects, including regularization and diminution of menstrual flow and decrease of dysmenorrhea.