RU 486

Definitions of RU 486
  1. noun
    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
    synonyms: abortion pill, mifepristone
    see moresee less
    type of:
    aborticide, abortifacient, abortion-inducing drug
    a drug (or other chemical agent) that causes abortion
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