Table 42-11.
| Table 42-11. Pretesticular causes of infertility. |
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Hypothalamic disease Gonadotropin deficiency (Kallmann syndrome) Isolated LH deficiency ("fertile eunuch") Isolated FSH deficiency Congenital hypogonadotropic syndromes |
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Pituitary disease Pituitary insufficiency (tumors, infiltrative processes, operation, radiation, deposits) Hyperprolactinemia Exogenous hormones (estrogen-androgen excess, glucocorticoid excess, hyper- and hypothyroidism) Growth hormone deficiency |