D2I2.
endocrine

Hyperprolactinaemia

Hyperprolactinaemia is a condition characterized by abnormally high levels of prolactin in the blood. In women, normal prolactin levels average to about 13 ng/mL, while in men, they average 5 ng/mL. The upper normal limit of serum prolactin is typically between 15 and 25 ng/mL for both men and women. Levels exceeding this range indicate hyperprolactinemia.

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Plain-language summary adapted from Wikipedia. Not medical advice.