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Birth control and family planning
Alternate Names : Contraception, Family planning and contraception
Pictures & Images
Birth control pill - series
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Normal female anatomy
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FSH and LH from pituitary gland
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Release of estrogen
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Release of LH
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Birth control pill
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Progestin in pill
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Birth control pill - series Progestin in pill
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The progesterone in birth control pills creates a thick cervical mucus making it difficult for sperm to reach the uterus. It also impedes an egg from attaching itself to the uterine lining (endometrium) because of changes in the cellular structure of the lining.
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Review Date : 12/31/2008
Reviewed By : 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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