Hypogonadism is when the sex glands produce little or no hormones. In men, these glands (gonads) are the testes; in women, they are the ovaries.
Gonadal deficiency
The cause of hypogonadism may be "primary" or "central." In primary hypogonadism, the ovaries or testes themselves do not function properly. Some causes of primary hypogonadism include:
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Source: ADAM Encyclopedia
Hypogonadotropic hypogonadism is absent or decreased function of the male testes or the female ovaries. It is considered a form of secondary... Read more »
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Source: ADAM Encyclopedia
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Source: HealthCentral Encyclopedia
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