pro·​ges·​tin | \prō-ˈje-stən \

Definition of progestin 

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

Examples of progestin in a Sentence

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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 Hormonal IUDs are coated with a synthetic progestin called levonorgestrel. Korin Miller, SELF, "Is There Any Reliable Way to Make Your Period Come Faster?," 11 July 2018 Hormonal IUDs, meanwhile, use progestin, which can stop your periods and the growth of endometrial implants. Korin Miller, Allure, "This Is What Endometriosis Pain Feels Like — and How to Treat It," 6 Mar. 2018 Just like with the minipill, the shot contains only the synthetic female hormone progestin, which prevents ovulation. Rachel Epstein, Marie Claire, "Behold: The Best Birth Control to Fix Your Terrible Period Cramps," 22 Dec. 2017 This is because the progestin in hormonal IUDs thins your uterine lining, so there’s not as much for your body to get rid of during your period, possibly resulting in lighter flows. Zahra Barnes, SELF, "Can My IUD Fall Out if I Have Rough Sex?," 14 June 2018 The progestin route is promising, but not without its side effects. Macaela Mackenzie, Allure, "What You Need to Know About Male Birth Control Pills," 1 Feb. 2018 There are two types, but only the one containing two hormones, an estrogen and a progestin, is usually prescribed for teens. Jane E. Brody, New York Times, "Contraception for Teenagers," 19 Feb. 2018 The substance used in the study, DMAU, has properties similar to both androgens, such as testosterone, and progestins, such as progesterone. Mark Lieber, CNN, "Male birth control pill one step closer to reality, researchers say," 20 Mar. 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

11 Oct 2018

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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 \

Medical Definition of progestin 

: progesterone especially : a synthetic progesterone (as levonorgestrel)

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obstinately defiant of authority

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