Contraindications of combined birth control pills, such as those containing EE and<unk> , include known or suspected pregnancy, lactation and breastfeeding, a history of or known susceptibility to thromboembolism, cholestasis (but not liver cirrhosis or chronic hepatitis), and breast cancer among others.<unk>  is a teratogen in animals and may have the potential to cause fetal harm, such as feminization of male fetuses among other defects.
Chlormadinone acetate
Methenmadinone acetate
Chlormethenmadinone acetate
Bolandiol dipropionate
Hydroxyprogesterone heptanoate
Ethinylestradiol sulfate
Ethinylestradiol sulfonate
Androstenediol dipropionate