Drospirenone mixture with Ethinylestradiol is a female oral combined contraceptive containing 30 mcg (0.030 mg) Ethinyl Estradiol and 3 mg drospirenone (Androstenes).
Fenestrel is a synthetic, nonsteroidal estrogen that was developed as a postcoital contraceptive in the 1960s. Fenestrel is a seco analogue of doisynolic acid and a member of the cyclohexenecarboxylic acid series of estrogens.
Nogotrienone is an anabolic steroid with fertility and contraceptive activity that has been studied as a therapeutic agent for hereditary angioneurotic edema.