Contraindications of<unk> include hypersensitivity to<unk> or progestogens, prevention of cardiovascular disease (a Black Box warning), thrombophlebitis, thromboembolic disorder, cerebral hemorrhage, impaired liver function or disease, breast cancer, reproductive organ cancers, undiagnosed vaginal bleeding, missed menstruations, miscarriage, or a history of these conditions.<unk> should be used with caution in people with conditions that may be adversely affected by fluid retention such as epilepsy, migraine headaches, asthma, cardiac dysfunction, and renal dysfunction. It should also be used with caution in patients with anemia, diabetes mellitus, a history of depression, previous ectopic pregnancy, venereal disease, and unresolved abnormal Pap smear. Use of<unk> is not recommended during pregnancy and breastfeeding. However, the medication has been deemed usually safe in breastfeeding by the American Academy of Pediatrics, but should not be used during the first four months of pregnancy. Some<unk> formulations contain benzyl alcohol, and this may cause a potentially fatal "gasping syndrome" if given to premature infants.
Progesterone 
Estrogen 
Estrogen
Androgen
Estradiol 
Estradiol
Methyltestosterone
Progestogen