mifepristone
noun
mi·fep·ris·tone
ˌmi-fə-ˈpri-ˌstōn 
mi-ˈfe-pri-ˌstōn
: 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
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Hey Jane prescribes the two-drug combination of mifepristone and misoprostol up until the 11th week, Freedman said.
—
Kristen Jordan Shamus, Freep.com, 6 Aug. 2025
The plaintiffs argue that the policy forced doctors and pharmacists to deny medically necessary care, noting that mifepristone and misoprostol are first-line treatments for miscarriages and postpartum hemorrhage.
—Bayliss Wagner, Austin American Statesman, 30 July 2025
Since it was approved, mifepristone has been taken by more than 5 million patients, according to the FDA.
—Nicole Brown Chau, CBS News, 4 June 2025
If the agency evaluates mifepristone again, and its staff are allowed to independently assess the science, the FDA could loosen its rules for mifepristone even more, Elizabeth Raymond, an ob-gyn and a researcher who specializes in mifepristone safety, told me.
—Keren Landman, The Atlantic, 24 May 2025
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Kristen Jordan Shamus, Freep.com, 6 Aug. 2025
The plaintiffs argue that the policy forced doctors and pharmacists to deny medically necessary care, noting that mifepristone and misoprostol are first-line treatments for miscarriages and postpartum hemorrhage.
—Bayliss Wagner, Austin American Statesman, 30 July 2025
Since it was approved, mifepristone has been taken by more than 5 million patients, according to the FDA.
—Nicole Brown Chau, CBS News, 4 June 2025
If the agency evaluates mifepristone again, and its staff are allowed to independently assess the science, the FDA could loosen its rules for mifepristone even more, Elizabeth Raymond, an ob-gyn and a researcher who specializes in mifepristone safety, told me.
—Keren Landman, The Atlantic, 24 May 2025
See All Example Sentences for mifepristone
Cite this Entry
“Mifepristone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mifepristone. Accessed 19 Aug. 2025.
Copy CitationMedical Definition
mifepristone
noun
mi·fep·ris·tone
ˌmi-fə-ˈpris-ˌtōn
mi-ˈfep-ri-ˌstōn
mi-ˈfep-ri-ˌstōn
: a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone
called also RU-486
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