<unk> (transdermal) is an estrogen that is FDA approved for the treatment of moderate to severe vasomotor symptoms, symptoms of vulvar and vaginal atrophy due to menopause, hypoestrogenism due to hypogonadism, castration, or primary ovarian failure, postmenopausal osteoporosis and prevention of postmenopausal osteoporosis. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include breast pain, upper respiratory tract infections, headaches, abdominal pain, pain, and edema.
Estradiol 
Estrogen
Inhibin
Androgen
Progesterone 
Methyltestosterone
Testolactone
Dihydrotestosterone