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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People don’t realize how much that combination of mifepristone and misoprostol has been the method of choice for many women and for many reasons.
—
Stephanie McNeal, Glamour, 4 Feb. 2025
Now a preliminary study suggests that using another drug in place of mifepristone may be just as effective for terminating an early pregnancy.
—Patrick Adams, The Atlantic, 23 Jan. 2025
Earlier this week, New Jersey’s Democratic Gov. Phil Murphy pledged to begin stockpiling mifepristone as well, citing concerns over the incoming presidential administration.
—Alejandra O’Connell-Domenech, The Hill, 16 Jan. 2025
This can include misoprostol or mifepristone with misoprostol, which causes the uterus to contract and can speed up the process
Procedure: Getting a dilation and curettage (D&C) in the first trimester or a dilation and evacuation (D&E) in the second trimester to empty the uterus.
—Kavitha Surana, ProPublica, 19 Dec. 2024
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Stephanie McNeal, Glamour, 4 Feb. 2025
Now a preliminary study suggests that using another drug in place of mifepristone may be just as effective for terminating an early pregnancy.
—Patrick Adams, The Atlantic, 23 Jan. 2025
Earlier this week, New Jersey’s Democratic Gov. Phil Murphy pledged to begin stockpiling mifepristone as well, citing concerns over the incoming presidential administration.
—Alejandra O’Connell-Domenech, The Hill, 16 Jan. 2025
This can include misoprostol or mifepristone with misoprostol, which causes the uterus to contract and can speed up the process
Procedure: Getting a dilation and curettage (D&C) in the first trimester or a dilation and evacuation (D&E) in the second trimester to empty the uterus.
—Kavitha Surana, ProPublica, 19 Dec. 2024
See All Example Sentences for mifepristone
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Cite this Entry
“Mifepristone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mifepristone. Accessed 10 Mar. 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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