mifepristone

noun
mi·​fep·​ris·​tone | \ ˌmi-fə-ˈpri-ˌstōn How to pronounce mifepristone (audio) , mi-ˈfe-pri-ˌstōn \

Definition of mifepristone

: a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone

called also RU-486

Examples of mifepristone in a Sentence

Recent Examples on the Web Doctors recommend that women take misoprostol with another drug, mifepristone, which prepares the body for the process, making the procedure easier. New York Times, "Venezuelan Women Lose Access to Contraception, and Control of Their Lives," 20 Feb. 2021 The move temporarily changes longstanding Food and Drug Administration (FDA) rules governing mifepristone—one of two drugs used to terminate early pregnancies—that required patients to pick up the pills in-person from a medical provider. Abigail Abrams, Time, "Why Abortion Pills Are the Next Frontier in the Battle Over Reproductive Rights," 14 Apr. 2021 The change clears the way for women to get a prescription for the pill — mifepristone — via telemedicine and receive it through the mail. Matthew Perrone, ajc, "US agency says women can get abortion pill via mail," 13 Apr. 2021 For some time, the consensus has been that women should be able to take mifepristone and misoprostol at home after a telephone consultation with a doctor (known as telemedicine). refinery29.com, "The Success Of At-Home Abortion During The Pandemic Has Shown Us Another Way," 7 Mar. 2021 In this case, TelAbortion can send mifepristone by mail. oregonlive, "During the pandemic, telemedicine abortions become crucial resource for women," 15 Feb. 2021 But mifepristone is difficult to find in Venezuela, and so most women do it the hard way. New York Times, "Venezuelan Women Lose Access to Contraception, and Control of Their Lives," 20 Feb. 2021 One pill, mifepristone, blocks a critical pregnancy hormone. oregonlive, "During the pandemic, telemedicine abortions become crucial resource for women," 15 Feb. 2021 The first drug, mifepristone, blocks the effects of progesterone, a hormone without which the lining of the uterus begins to break down. Adam Liptak, New York Times, "Supreme Court Revives Abortion-Pill Restriction," 12 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mifepristone.' 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 mifepristone

1985, in the meaning defined above

History and Etymology for mifepristone

perhaps from International Scientific Vocabulary amino + fe- (alteration of phen-) + pri- (alteration of prop-) + estradiol + -one

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The first known use of mifepristone was in 1985

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Last Updated

13 May 2021

Cite this Entry

“Mifepristone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mifepristone. Accessed 16 May. 2021.

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More Definitions for mifepristone

mifepristone

noun
mi·​fep·​ris·​tone | \ ˌmi-fə-ˈpris-ˌtōn How to pronounce mifepristone (audio) , mi-ˈfep-ri-ˌstōn How to pronounce mifepristone (audio) \

Medical Definition of mifepristone

: a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone

called also RU-486

More from Merriam-Webster on mifepristone

Britannica.com: Encyclopedia article about mifepristone

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