3d image of quingestanol acetate skeletal formula

quingestanol acetate progestin medication birth control pills synthetic w-4540 norethisterone acetate 3-cyclopentyl enol ether progestogen progestin progestogen ester agonist progesterone receptor prodrug norethisterone quingestanol intermediate postcoital hormonal contraceptive rendering contraception control oral contraceptives mother gynecology obstetrics woman motherhood birth female sex hormone menopausal hormone therapy gynecological conditions fertility pregnancy art assisted reproductive technology infertility hormonal replacement function action endocrine endocrinology level prohormone analogue