Treatment of Male Infertility

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Abstract
Fifteen percent of couples are subfertile — that is, they have less-than-normal fertility. In approximately 30 percent of the cases, an important abnormality is identified in only the man, and in another 20 percent abnormalities are detected in both partners. Thus, there is a male factor in infertility in half of the couples. The evaluation should begin with a complete history taking, physical examination, and appropriate laboratory tests. Unfortunately, even after a thorough evaluation, the cause of a man's lack of normal fertility usually remains unknown. Since it is very difficult to develop a rational treatment plan to correct a . . .