Health Tip: Common Causes of Male Infertility

A partial list

(HealthDay News) -- Infertility -- defined by the American Academy of Family Physicians as the inability of a couple to become pregnant after one year of trying -- affects about 15 percent of the population.

The academy offers this list of common causes of male infertility:

  • The most common cause is varicocele, when the veins in the scrotum become enlarged. This can affect sperm production by heating the inside of the scrotum.
  • A blockage in the reproductive system.
  • Low sperm count.
  • Abnormally shaped sperm, or sperm that move abnormally.
  • An undescended testicle.
  • Certain medications.
  • Another medical problem.
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