Prevention of pregnancy in case of sexually assaulted victims; known or suspected contraceptive failure, incorrect or emergency cases eg, condom leak, miscount safe period, IUD use failure, disregard of contraceptive inj or >3 days late of taking OCs.
Not for regular prevention of pregnancy. No efficacy for abortion & protection against STD; HIV infection. Abnormal symptom eg, lack of menstruation. Spotting for few days. Possibility of ectopic pregnancy. Slight glucose tolerance deterioration w/ increases in plasma insulin. Monitor diabetic women while on treatment. Not effective in terminating an existing pregnancy.