After taking the emergency contraceptive pill bleeding has not been clean, to timely consult the doctor, first rule out pregnancy, and then you can take oral estrogen-progestin drugs to stop bleeding and regulate menstruation. The side effects of emergency contraceptive pills can cause vaginal bleeding, after taking emergency contraceptive pills should first rule out pregnancy. After the exclusion of pregnancy, if the irregular vaginal bleeding more than 3 months, then consider the occurrence of endocrine disorders, the need for oral sex hormones to stop bleeding, and regular oral progesterone or short-acting oral contraceptives to regulate menstruation. Emergency contraceptive pills are very harmful to the body, long-term use will lead to serious endocrine disorders, resulting in ovulation disorders. Try to use other methods of contraception when having sex.