Certain COC addition estrogens and progestogens include cyproterone acetate - substance having antiandrogenic activity. These tablets are assigned to women suffering from acne, excessive hair growth on the face and body (hirsutism), polycystic ovaries and other diseases caused by an excess of androgens.
In postpartum administration of drugs containing estrogen is contraindicated. Young mothers to prevent pregnancy are recommended so-called "mini-pill" - tablets containing only progestogen (levonorgestrel or desogestrel). They can be used within 4 weeks after birth by artificial feeding and 6 - when feeding human milk. In addition, progestin contraceptives suitable for women who have COCs cause headache, obesity, and other side effects. Tablets containing levonorgestrel as the active substance, is considered the most optimal, whereas desogestrel undesirable drugs for obesity and varicose veins.