<unk> (oral) is a hormone that is FDA approved for the treatment of vasomotor symptoms due to menopause, symptoms of vulvar and vaginal atrophy due to menopause, hypogonadism, castration or primary ovarian failure, breast cancer (for palliation only), androgen-dependent carcinoma of the prostate. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include edema, vasodilatation, chloasma, hirsutism, injection site reaction, pruritus, weight change, abdominal pain, bloating, diarrhea, flatulence, nausea, vomiting, backache, leg cramp, asthenia, headache, migraine, depression, disturbance in mood, disorder of menstruation, pain of breast, vaginitis, withdrawal bleeding, cough, and pharyngitis.
Conjugated estrogens 
Esterified estrogens
Antiandrogen
Sex steroid
Selective estrogen receptor modulator
Conjugated Estrogens Synthetic B
Steroid hormone
Oral contraceptive