progestin

noun

pro·​ges·​tin prō-ˈje-stən How to pronounce progestin (audio)
: progestogen
especially : a synthetic progesterone (such as levonorgestrel)

Examples of progestin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That’s because progestin can mimic androgens in the body, increasing oil production. Kelly Burch Published, Verywell Health, 1 July 2025 Fear of progestin pills and dryer sheets and unfiltered shower water. Jessica Winter, New Yorker, 22 May 2025 Other studies have found HT only lowers your AD risk when it’s started earlier in menopause and taken without progestin, Dr. Bevins says. Carolyn L. Todd, SELF, 12 May 2025 Vaginal rings, skin patches, and the pill containing both estrogen and progestin had the highest risk. Kristen Fischer, Health, 12 May 2025 See All Example Sentences for progestin

Word History

Etymology

progest(ational) + -in entry 1, originally as a name for progesterone

Note: The name was introduced by the American gynecologist and biochemist Willard M. Allen (1904-93) in "Physiology of the Corpus Luteum V. The Preparation and Some Chemical Properties of Progestin, a Hormone of the Corpus Luteum which Produces Progestational Proliferation," Amerian Journal of Physiology, vol. 92, issue 1 (February, 1930), pp. 174-88.

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of progestin was in 1945

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Cite this Entry

“Progestin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/progestin. Accessed 25 Jul. 2025.

Medical Definition

progestin

noun
pro·​ges·​tin prō-ˈjest-ən How to pronounce progestin (audio)
: progesterone
especially : a synthetic progesterone (as levonorgestrel)

More from Merriam-Webster on progestin

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