mifepristone

noun
mi·fep·ris·tone | \ˌmi-fə-ˈpris-ˌtōn, 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

The two-drug protocol evolved in the 1980s because researchers recognized that, by itself, mifepristone is not sufficiently effective at terminating pregnancy. Marie Mccullough, Philly.com, "'Abortion pill reversal' controversy heats up with new study," 6 Apr. 2018 Each woman is given an online consultation with a licensed doctor before she is mailed the medications, typically mifepristone and misoprostol pills, that induce a miscarriage. Josephine Sedgwick, New York Times, "‘I Couldn’t Tell Anyone’: Women Around the World Reveal Intimate Stories of Abortion," 9 July 2018 Retail pharmacies are prohibited from carrying mifepristone, even behind the counter. Dorothy Novick, STAT, "FDA shouldn’t allow politics to hurt women suffering miscarriage," 22 June 2018 His clinical trial is the first step toward getting mifepristone approved as a palliative therapy. Marie Mccullough, Philly.com, "Can the abortion pill treat advanced lung cancer? This infertility expert wants to find out," 3 July 2018 The current restrictions on mifepristone violate both of those stipulations. Dorothy Novick, STAT, "FDA shouldn’t allow politics to hurt women suffering miscarriage," 22 June 2018 Medication abortions involve a combination of two drugs, mifepristone and misoprostol, taken within the first 70 days of pregnancy. Brittney Mcnamara, Teen Vogue, "Arkansas Law Could Close Clinics and Effectively Ban Medication Abortion," 29 May 2018 The procedure involves a combination of two pills — mifepristone and misoprostol. Judy L. Thomas, kansascity, "Battle over medication abortion rages on in challenge to new Missouri law | The Kansas City Star," 26 Apr. 2018 The company filed an application to see whether mifepristone might work for Cushing’s patients. Sarah Jane Tribble, Washington Post, "How A Drugmaker Turned The Abortion Pill Into A Rare-Disease Profit Machine," 10 Apr. 2018

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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Dictionary Entries near mifepristone

mierkat

miersite

Mies van der Rohe

mifepristone

miff

Mifflin

miffy

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The first known use of mifepristone was in 1985

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mifepristone

noun
mi·fep·ris·tone | \ˌmi-fə-ˈpris-ˌtōn, mi-ˈfep-ri-ˌstōn \

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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