luteotrophic hormone

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A gonadotropic hormone encoded by PRL on chromosome 6p22.2-p21.3 and secreted by the anterior pituitary, which in females stimulates mammary gland growth and lactation after childbirth.

luteotrophic hormone (LTH) or lactogenic hormone or prolactin

a proteinaceous hormone secreted by the anterior PITUITARY GLAND of vertebrates which has a range of functions, including acting as a GONADOTROPHIN. LTH influences the onset of lactation, stimulates PROGESTERONE secretion by the CORPUS LUTEUM in mammals (in tandem with LUTEINIZING HORMONE) and stimulates maternal behaviour in all vertebrates.