Use w/ caution in the puerperium. Increased risk of heavy or prolonged vag bleeding if immediately used following childbirth or termination of pregnancy. Not indicated before menarche. Concomitant use w/ medicines eg, steroids, antiepileptics, thyroid hormones, aminoglutethiamide, anticoagulants. Caution in patients w/ migraine headaches; diabetes or a family history of diabetes; severe pain or swelling in the calf; blood clotting disorders eg, blood clot in the legs, lung or a stroke; problems w/ eyesight eg, sudden partial or complete loss of vision or double vision; depression; heart disease or cholesterol problems including any family history; abnormal pregnancy; asthma; epilepsy. Potential inj site reactions eg, inj site necrosis & atrophy, abscess formation at inj site. Risk of depression or depressed mood; lower bone mineral density; breast cancer especially in older women; wt gain. Interference w/ cervical smear test results. Does not protect against HIV infection eg, AIDS & other sexually transmitted infections. Contains methyl paraben & propyl paraben. May impair ability to drive or operate machinery. Patients w/ hepatic &/or renal insufficiency. Lactation.