pro·​ges·​tin | \ prō-ˈje-stən How to pronounce progestin (audio) \

Definition of progestin

: progestogen especially : a synthetic progesterone (such as levonorgestrel)

Examples of progestin in a Sentence

Recent Examples on the Web

Tests on monkeys suggested the hormone in the shot, progestin, might thin the protective vaginal mucus or make immune cells in the vaginal tract replicate H.I.V. more quickly. New York Times, "Depo-Provera, an Injectable Contraceptive, Does Not Raise H.I.V. Risk," 13 June 2019 And both estrogen and progestin in hormonal treatments can prevent the growth of endometriosis lesions in some people. Colleen Stinchcombe, SELF, "How Does Endometriosis Impact Fertility?," 8 Feb. 2019 Hormonal IUDs contain progestin, which works locally to thicken cervical mucus and reduce the lining of your uterus. Korin Miller, SELF, "How to Stop Your Period With Birth Control," 16 Jan. 2019 This is because the progestin in them may help hormone-receptive cancers develop. SELF, "Here’s Exactly How to Find the Best Birth Control Pill for You," 14 Sep. 2018 That's actually one of the upsides — besides pregnancy prevention — of progestin IUDs like Mirena. Caroline Picard, Good Housekeeping, "8 Reasons for a Late Period Besides Pregnancy, According to an OB/GYN," 30 Nov. 2018 On average, toward the end of our 30s our bodies start producing less of the hormones estrogen and progestin, according to the Mayo Clinic. Colleen Stinchcombe, Woman's Day, "How Long Does Menopause Last?," 6 Sep. 2018 The difference is that while hormonal IUDs emit progestin, ParaGard has copper wire coiled around it. Korin Miller, SELF, "13 Things You Absolutely Should Know Before Getting the Copper IUD," 20 July 2018 The progestin can also thin your uterine lining, which means using NuvaRing and similar hormonal birth control methods can lead to a lighter period and less cramping. Korin Miller, SELF, "Do You Actually Need to Keep Your Vaginal Ring in the Fridge?," 3 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'progestin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of progestin

1945, in the meaning defined above

History and Etymology for progestin

pro- + gestation + -in entry 1

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Last Updated

21 Jun 2019

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Time Traveler for progestin

The first known use of progestin was in 1945

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pro·​ges·​tin | \ prō-ˈjest-ən How to pronounce progestin (audio) \

Medical Definition of progestin

: progesterone especially : a synthetic progesterone (as levonorgestrel)

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