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Infertility & Reproduction Health Center

Male Infertility Directory

Up to half of all cases of infertility involve the male partner. Tests to determine causes of male infertility include semen analysis that evaluates sperm count, the quality of sperm, and sperm movement. Other reasons for male infertility range from physical problems that prevent sperm being ejaculated normally in semen, sexually transmitted diseases or other infections, autoimmune problems, and the use of alcohol and drugs. Follow the links below to find WebMD's comprehensive coverage about male infertility, its causes, diagnosis, treatment, and much more.

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Thumbnail: Boxers vs. Briefs: Increasing Sperm Count

For about one-half of couples with fertility problems, experts say low sperm count is the cause. But maybe something as simple as changing the kind of underwear a man wears can make a difference.

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