The presence of bleeding after a week of emergency contraceptive pills is due to the side effects of emergency contraceptive pills. The first thing to determine is whether it is causing an early onset of menstruation or whether there is withdrawal bleeding. Emergency contraceptive pills can cause early menstruation, if it happens to be close to the time of menstruation for a week, it may be a normal menstruation. You can observe the amount of menstruation first, if the amount is the same as the usual amount, you can be sure that it is menstruation, as long as it ends within 7 days, there is no problem. Bleeding that occurs after taking emergency contraceptive pills and is only present in small amounts, similar to the 1st day of menstruation or near the end, is caused by side effects of the medication. To oral anti-inflammatory drugs, such as cephalosporin or amoxicillin can be taken orally according to the instructions for 5 days, can also be added to the hemostatic drugs, such as Yunnan Baiyao capsule or the uterus to stop bleeding granules optional oral, 7 days to achieve the purpose of stopping the bleeding of 1, to avoid the existence of a long time bleeding.