<unk> (oral) is a hormone that is FDA approved for the treatment of secondary amenorrhea, and the prevention of endometrial hyperplasia in nonhysterectomized postmenopausal women who are receiving conjugated estrogens tablets. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include abdominal pain, constipation, nausea, swollen abdomen,viral disease, cramp, musculoskeletal pain, dizziness, headache, sleep disorder, somnolence, depression, mood swings, nocturia, breast tenderness, large breast, pain, post-oocyte retrieval , pain of breast, perineal pain, vaginal discharge, and fatigue.
Progesterone 
Estrogen
Androgen
Estradiol 
Methyltestosterone
Testolactone
Dihydrotestosterone
Inhibin