3d image of etonogestrel skeletal formula

etonogestrel birth control women medication ethinylestradiol estrogen vaginal ring fertility menstrual irregularities breast tenderness mood acne headaches vaginitis progestin synthetic progestogen agonist progesterone receptor ovulation mucus cervix uterus hormonal activity etonogestrel contraceptive implant long-acting reversible contraception larc rendering oral contraceptives mother gynecology obstetrics woman reproduction reproductive female sex hormone gynecological conditions pregnancy hormonal endocrine endocrinology level prohormone analogue