<unk>  was employed as the estrogen component in many of the first oral contraceptives, such as<unk> /noretynodrel (brand name Enovid) and<unk> /norethisterone (brand names Ortho-Novum, Norinyl), and is still in use today. In addition to its use as an oral contraceptive,<unk>  has been used as a component of menopausal hormone therapy for the treatment of menopausal symptoms.
Mestranol
Hexestrol
Gestodene
Fosfestrol
Moxestrol
Allenestrol
Dimestrol
Dienestrol