3d image of epostane skeletal formula

epostane inhibitor contraceptive abortifacient oxytocic drug progesterone pregnenolone antiprogestogen pregnancy abortion uterotonic uterus postpartum hemorrhage miscarriage medical rendering contraception birth control oral contraceptives mother gynecology obstetrics woman motherhood birth fertility reproduction reproductive female sex hormone hormonal menopausal hormone therapy gynecological conditions hormonal replacement function action endocrine level prohormone analogue