Male Infertility

Introduction
Infertility is defined as the inability to conceive after 1 year of unprotected sexual intercourse. Infertility affects approximately 15% of couples. Roughly 40% of cases involve a male contribution or factor, 40% involve a female factor, and the remainder involve both sexes.

The evaluation of male infertility is undertaken methodically to acquire several kinds of information. Before discussing the diagnosis and treatment of male infertility, a review of basic reproductive tract physiology is in order.

- Paul J. Turek, MD

Male Infertility

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Revision date: June 22, 2011
Last revised: by Amalia K. Gagarina, M.S., R.D.