Sex hormones tests measure levels of the sex hormones, including estrogen, progesterone, and testosterone.The sex hormone tests are ordered to determine if secretion of these hormones is normal. Several different types of tests are used to evaluate the different sex hormones to help diagnose problems or disorders, and to monitor pregnancy.

Estrogen fraction test is done to evaluate sexual maturity, menstrual disorders, and fertility problems in females. This test may also be used to test for tumors that excrete estrogen. In pregnant women it aids in determining fetal-placental health. Estrogen fraction is also used to evaluate males who have enlargement of one or both breasts (gynecomastia), or who have feminization syndromes, where they display female sex characteristics.

Progesterone assay test is ordered to evaluate women who are having difficulty becoming pregnant or maintaining a pregnancy, and to monitor high-risk pregnancies.

Testosterone levels are...