It is best to abstain from sexual intercourse for 3~7 days after cervical screening. Cervical cancer screening is to use special specimen brush to take the cervix and cervical canal shed cells, most of the examination operation is not abnormal, generally 3 days after coitus; sometimes there will be local capillary rupture bleeding phenomenon, 7 days or so at the cervix of the basic recovery of capillaries, bleeding phenomenon stops, then coitus can be. If you have intercourse within a short period of time after the examination, there may be a possibility of secondary infection, forming chronic infection in the broken capillaries, resulting in cervical inflammation. If there is any discomfort, such as abnormal discharge or persistent bleeding, it is necessary to suspend coitus and consult a doctor in time to avoid adverse effects on the body.