Contact bleeding can routinely clear up in 3 to 5 days, but each person is more individualized, so the duration of bleeding may vary from person to person. Contact bleeding is divided into physiological and pathological. 1. Physiological contact bleeding, the probability of considering the process of coitus is more violent action, resulting in vaginal mucosal rupture caused by the amount of bleeding is generally not too much, the time is relatively short, 1 to 2 days or so will stop. 2. Pathological contact bleeding, more common is the cervical lesions or acute inflammatory stimulation caused by the need for further gynecological examination to identify the site of bleeding, bleeding time is generally not more than 5 days. If the contact bleeding time is longer, it is recommended to consult a doctor in time for symptomatic treatment.