3d image of megestrol skeletal formula

megestrol hydroxyprogesterone acylated derivative megestrol acetate progestogen pharmaceutical drug synthesis 3d contraception birth control hormonal oral contraceptives mother gynecology obstetrics woman motherhood birth fertility fertility medicine reproduction reproductive female sex hormone menopausal hormone therapy gynecological conditions pregnancy art assisted reproductive technology infertility hormonal replacement function action endocrine endocrinology level prohormone analogue pharmacology pharmaceutics pharmaceutical pharmacy pharma pharmacodynamics pharmacokinetics