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Birth control pill - series

Birth control pill:

The lower levels of estrogen in birth control pills supress FSH and LH "fooling" the pituitary gland into thinking a woman is pregnant. Ovulation will then not occur which prevents pregnancy.

Reviewed last on: 12/31/2008
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Redmond, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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