It makes several different hormones, including one called prolactin. Prolactin affects the mammary glands and helps women make breast milk. Sometimes, a tumor grows on the pituitary gland and ...

Measurement of prolactin is one of the most commonly undertaken hormonal investigations in evaluating patients with reproductive disorders. Hyperprolactinemia is found in up to 17% of such cases.

It occurs when you have too much of a hormone called prolactin. Galactorrhea usually affects women of reproductive age, but it can also affect men. Galactorrhea is a nipple discharge composed of ...