Cryptorchidism

See online text for discussion.

Table 35-5 Common Diagnoses in Men Evaluated for Infertility

Diagnostic Category

Incidence (%)

Idiopathic infertility

50-60

Primary testicular failure (chromosomal disorders including Klinefelter's syndrome, Y-chromosome microdeletions, undescended testis, irradiation, orchitis, drugs)

10-20

Genital tract obstruction (congenital absence of vas, vasectomy, epididymal obstruction)

5

Coital disorders

<1

Hypogonadotropic hypogonadism (pituitary adenomas, panhypopituitarism, idiopathic hypogonadotropic hypogonadism, hyperprolactinemia)

3-4

Varicocele^

15-35

Other (sperm autoimmunity, drugs, toxins, systemic illness)

5

From Griffin JE, Wilson JD. Disorders of the testes and the male reproductive tract. In Larsen PR et al (eds). Williams' Textbook of Endocrinology, 10th ed. Philadelphia, Elsevier-Saunders, 2003.

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