prolactin
noun
pro·lac·tin prō-ˈlak-tən 
: a protein hormone of the anterior lobe of the pituitary that induces lactation
Example Sentences
Recent Examples on the Web Also, people who breastfeed experience a rise in a hormone called prolactin, which stimulates milk production and further drives down oestrogen. 
Melania Luisa Marte, refinery29.com, 31 July 2022 An increase in the hormone prolactin—which helps get milk going—may also have something to do with breasts feeling uncomfortable during pregnancy. Rozalynn S. Frazier, SELF, 29 July 2022 Additional ingredients include Chinese ku gua, an herb renowned for raising the firmness of erections, and zinc gluconate, which could increase testosterone and prolactin levels. Sophie Saint Thomas, Forbes, 6 June 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 See More
Melania Luisa Marte, refinery29.com, 31 July 2022 An increase in the hormone prolactin—which helps get milk going—may also have something to do with breasts feeling uncomfortable during pregnancy. Rozalynn S. Frazier, SELF, 29 July 2022 Additional ingredients include Chinese ku gua, an herb renowned for raising the firmness of erections, and zinc gluconate, which could increase testosterone and prolactin levels. Sophie Saint Thomas, Forbes, 6 June 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 Some studies have showed evidence that ingredients in beer can increase prolactin, a hormone necessary for milk production; others have showed the opposite. Lisa Drayer, CNN, 17 Mar. 2022 See More Word History
Etymology
pro- entry 2 + lact- + -in entry 1
First Known Use
1932, in the meaning defined above
Medical Definition
prolactin
noun
pro·lac·tin prō-ˈlak-tən
: a protein hormone of the adenohypophysis of the pituitary gland that induces and maintains lactation in the postpartum mammalian female —abbreviation PRL
called also luteotropic hormone, luteotropin, mammotropin
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