LH: Results and Values: Luteinizing Hormone

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Alternate Names : Luteinizing Hormone

Normal values for males are 7 to 24 U/L (units per liter) and for females 6 to 30 U/L.

Greater-than-normal levels of LH may be found in the following conditions in women:

early onset of puberty, known as precocious puberty

polycystic ovary disease

premature failure of the ovaries caused by a genetic defect or related to radiation treatment

Turner's syndrome, a genetic disorder

Greater-than-normal levels of LH may be found in men with nonfunctioning testes, or absence of testes, called anorchia.

Lower-than-normal levels in women may indicate:

anorexia nervosa, an eating disorder

breast-feeding

bulimia, an eating disorder

exercise-induced amenorrhea, or absence of menstruation

ovarian cysts, or fluid-filled sacs on the ovaries

the use of oral contraceptives, or birth control pills

Lower-than-normal levels in men may be seen with:

hypothalamic hypogonadism, which is caused by a disorder of the hypothalamus

multiple endocrine neoplasia, or tumors of the endocrine glands

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LH: Preparation & Expectations

Author: Eva Martin, MD
Reviewer: Sandy Keefe, RN, MSN
Date Reviewed: 06/01/01

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