Ethinylestradiol/levonorgestrel Ethinylestradiol/norethisterone Ethinylestradiol/etonogestrel Birth control pill formulations Norelgestromin Desogestrel Vaginal ring Contraceptive patch Contraceptive vaginal ring Combined injectable birth control Etonogestrel Levonorgestrel Hormonal oral contraceptives Progestogen (medication) Combined oral contraceptive pill Estradiol decanoate Sialic acid Pharmacokinetics of estradiol Estradiol undecylate Zafirlukast Levonorgestrel-releasing implant Chlorfenvinphos Medroxyprogesterone acetate Combined hormonal contraception Pharmacodynamics of progesterone Progesterone Progesterone (med…

dication) Comparison of birth control methods