[Drug therapy of abortion].
D000033:Abortion, Threatened / Q000188:drug therapy*; D000328:Adult; D004967:Estrogens / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011374:Progesterone / Q000627:therapeutic use*
D004967:Estrogens; D011374:Progesterone