3d image of gestrinone skeletal formula

gestrinone ethylnorgestrienone progestogen progestin antiprogestogen androgen anabolic steroid steroidogenesis inhibitor antiestrogen endometriosis uterine fibroid heavy menstrual bleeding birth control abnormalities estrogen deficiency masculinization acne seborrhea breast shrinkage antigonadotropin menorrhagia ovulation hormonal cycles rendering contraception oral contraceptives mother gynecology obstetrics woman motherhood birth reproduction reproductive female sex hormone menopausal hormone therapy gynecological conditions fertility pregnancy hormonal replacement endocrine endocrinology