Prolactin
Alternate Names : PRL
Definition This is a blood test that measures the amount of the hormone prolactin.
Why is the Test Performed?
Serum prolactin is usually measured as part of the diagnostic work-up of pituitary tumors, menstrual irregularities, infertility, impotence, and galactorrhea (breast milk production).
Prolactin is a protein hormone secreted from the anterior pituitary gland. Prolactin stimulates breast development and milk production in females. There is no known normal function of prolactin in males.
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