3d image of antiprogestogen skeletal formula

antiprogestogen antiprogestin antagonist progesterone blocker drug pr progesterone receptor inhibiting suppressing sex hormone abortifacients emergency contraceptives uterine fibroids breast cancer sprm medical abortion prostaglandin mifepristone lilopristone onapristone rendering norsteroid overdose function hormonal medication synthetic replacement pharmacophore mineralocorticoid iatrogenic corticosteroid sex effect therapy contraindications remedy mount action cure birth control pharmacology prodrug pharma semisynthetic pharmaceutical pharmacokinetics