Hyperprolactinemia refers to an overbundance of the hormone prolactin. Subfertility as a result of this increased level can occur in both men and women, and is found in up to one-third of women experiencing amenorrhea.
Hyperprolactinemia is considered a pituitary disorder. Prolactin secretion (by the pituitary) is triggered by the release of thyrotropin-releasing hormone (TRH).
Prolactin is secreted by the pituitary gland, and in pregnant women, is used by the body to prepare breasts for milk production. The term "lactating", often used to refer to nursing mothers, comes from "prolactin." Galactorrhea, noticeable milk production from the breasts during times other than when nursing, is commonly associated with hyperprolactinemia.
© Tracy Morris