Generally speaking, cervical cancer screening should avoid menstruation and contact bleeding period to avoid inaccurate results, and the results of cervical cancer screening at this time may not be completely accurate. Contact bleeding period usually refers to vaginal bleeding, and vaginal bleeding period to do cervical cancer screening is likely to lead to errors in the screening results, so cervical cancer screening should generally avoid menstruation and contact bleeding period. Therefore, cervical cancer screening should avoid menstruation and contact bleeding periods. Therefore, the results of cervical cancer screening during contact bleeding are not always accurate. Contact bleeding can be caused by intense coitus, cervical erosion and other factors, so once this symptom occurs, you should go to the hospital in time for examination and consultation, early detection, early treatment and early improvement.