Hypogonadism – HealthCentral

Definition

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:

The most common genetic disorders that cause primary hypogonadism are Turner syndrome (in women) and Klinefelter syndrome (in men).

In central hypogonadism, the centers in the brain that control the gonads (hypothalamus and pituitary) do not function properly. Some causes of central hypogonadism include:

A genetic cause of central hypogonadism that also takes away the sense of smell is Kallmann syndrome (males). The most common tumors affecting the pituitary are craniopharyngioma (in children) and prolactinoma (in adults).

Review Date: 10/14/2010 Reviewed By: Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by Ari S. Eckman, MD, Chief, Division of Endocrinology, Diabetes and Metabolism, Trinitas Regional Medical Center, Elizabeth, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)

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Hypogonadism - HealthCentral

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