3d image of trengestone skeletal formula

trengestone progestogen progestin progestin medication menstrual disorder breast tenderness synthetic progesterone receptor biological target ovulation masculinization progonadotropic synthetic pregnane steroid 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 molecule 3d