Retreating bleeding after the pill, which refers to the emergency contraceptive pill, is usually followed by menstruation in 7-10 days. The timing of menstruation will vary depending on the individual’s body type, diet, environment, and the amount of bleeding. If there has been a small amount of bleeding, some will cause a delay in menstruation. If the amount of withdrawal bleeding is more, the same as the usual amount of menstrual blood, then this time is considered to be a period and the next period will need to wait until this time in the next month. The emergency contraceptive pill is a hormonal drug that is harmful to the body and can cause endocrine disruption and menstrual disorders. If it’s simply used for contraception, don’t use it for a long time, you can switch to other methods, pay attention to drink more water, easy to light digestive diet, don’t stay up late.