an abortion-inducing drug developed in France; it blocks the action of progesterone so that the uterus sloughs off the embryo
an abortion-inducing drug (trade name Mifepristone) 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
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