3d image of gestaclone skeletal formula

gestaclone steroidal progestin chemical structure progesterone progestagen progestogen gestagen gestogen sex hormone hormonal birth control menopausal hormone therapy rendering contraception oral contraceptives mother gynecology obstetrics woman motherhood birth fertility reproduction reproductive female gynecological conditions pregnancy hormonal replacement function action endocrine endocrinology level prohormone analogue drug preparation mount treatment medicine