mifepristone

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Related to RU-486: Morning after pill

mi·fep·ri·stone

 (mĭ-fĕp′rĭ-stōn′)
n.
A synthetic steroid, C29H35NO2, that blocks the action of progesterone and is used in combination with misoprostol to induce abortion in early pregnancy. Also called RU 486.

[(a)mi(no) + alteration of phe(nyl) + pr(opyl) + alteration of est(radiol) + -one.]

mifepristone

(mɪˈfɛprɪˌstəʊn)
n
(Pharmacology) an antiprogestogenic steroid, used in the medical termination of pregnancy. Formula: C29H35NO2
[C20: from aminophenol + propyne + oestradiol + -one]

mif•e•pris•tone

(ˌmɪf əˈprɪs toʊn)
n.
an antigestational drug that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone.
[1985–90; probably alter. of (a)mi(no)phe(nol) + pr(opyl) + est(radiol) + -one]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mifepristone - an abortion-inducing drug (trade name RU_486) developed in Francemifepristone - an abortion-inducing drug (trade name RU_486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo
aborticide, abortifacient, abortion-inducing drug - a drug (or other chemical agent) that causes abortion
Translations

mifepristone

n mifepristona
References in periodicals archive ?
She takes the RU-486 pills (mifepristone), initiating the abortion process, and takes prostaglandin pills (misoprostol) home with her where she will expel the dead child.
Circuit Court of Appeals in New Orleans upheld sections of a law passed last July that requires abortion clinic doctors to have admitting privileges at a nearby hospital, and that the RU-486 abortion drug be administered under direct supervision of a doctor according to Food and Drug Administration protocols.
And it's not the same thing as RU-486, the so-called month-after pill, which causes a woman to medically abort a pregnancy without surgery.
Hobby Lobby's owners, led by company founder and CEO David Green, filed suit to stop the mandate in September 2011, arguing that forcing them to provide their thousands of employees with contraceptives such as the RU-486 "abortion pill" would cause them to violate their convictions that life begins at conception.
Reproductive rights and the state; getting the birth control, RU-486, morning-after pills and the Gardasil vaccine to the U.
Exposure of BT-474 cells to MPA in vitro also resulted in lower levels of RANKL; an effect that was independent of progesterone receptors since it occurred both in the presence and absence of the antiprogestin RU-486.
15) Further, because RU-486 is clearly an abortifacient, (16) previously enacted conscience legislation that already protected health care professionals in the abortion context would likely suffice to protect those who objected to RU-486.
We do know that Shanghai is the sole supplier to the United States of the abortion pill, mifepristone, known as RU-486.
Nearly a third of Web sites failed to debunk common myths about EC by explaining that is not an abortifacient, and making a distinction between EC and RU-486, mifepristone.
Nearly a third of Web sites failed to debunk common myths about emergency contraception by explaining that is not an abortifacient, and making a distinction between emergency contraception and RU-486, mifepristone.
Nearly a third of Web sites failed to de bunk common myths about emergency contraception by explaining that is not an abortifacient, and making a distinction between emergency contraception and RU-486 (mifepristone).
And Jane Henney, who ran the agency when the abortion pill RU-486 pill was approved, is among those reportedly being considered for FDA chief under President-elect Barack Obama.