Vaginal bleeding after taking 2 emergency contraceptive pills two days in a row may firstly be withdrawal bleeding, which needs no treatment. Secondly, it may also be caused by pre-eclampsia, ectopic pregnancy, etc., which needs to be treated with medication and surgery according to the cause. 1. Withdrawal bleeding: taking 2 emergency contraceptive pills in 2 consecutive days may lead to hormone level disorders in the body, and some women may experience withdrawal bleeding, at which time there will be vaginal bleeding. This is a physiological phenomenon and does not require treatment. 2. Pre-eclampsia: Vaginal bleeding after taking two emergency contraceptive pills in two days is also considered to be caused by pre-eclampsia, at this time, pregnant women need to do ultrasound examination. For the fetus with vital signs, you can use progesterone, such as dextroprogesterone, progesterone, etc. under the guidance of the doctor. If the fetus does not have vital signs, it needs to be treated by purging or scraping. 3. Ectopic pregnancy: Ectopic pregnancy in women can also lead to vaginal bleeding after taking 2 emergency contraceptive pills for 2 days in a row, and it is recommended that patients can be treated with methotrexate under the guidance of a doctor. If necessary, it is necessary to take tubectomy, salpingo-oophorectomy, salpingo-ostomy treatment. Women who have vaginal bleeding after taking 2 emergency contraceptive pills two days in a row may also be caused by side effects of the drug, it is recommended that the patient needs to consult a doctor in a timely manner, if it is caused by withdrawal bleeding, no treatment is needed, if it is caused by disease, it is necessary to follow the doctor’s instructions for treatment.