Ethinylestradiol/cyproterone acetate (EE/CPA), also known as co-cyprindiol and sold under the brand names Diane and Diane-35 among others, is a combination
with about half the VTE risk of birth control pills with ethinylestradiol. The type of progestogen in combined menopausal hormone therapy may also modulate
of ethinylestradiol exist and have been marketed: Ethinylestradiol sulfonate (Turisteron; ethinylestradiol 3-isopropylsulfonate) Ethinylestradiol benzoate