Patients just a week after the menstruation and bleeding, there are many reasons, as follows: 1, ovulation bleeding: a week after the menstruation is clean is almost a woman’s ovulation, if the recent often stay up late, sleep late, too much stress, emotional excitement, emotional instability, this may affect women’s ovulation, resulting in ovulation bleeding, but bleeding is generally relatively small amount, most within a week can be clean. 2, cervical contact Bleeding: If sexual life is more frequent after menstruation, or if men act roughly during sexual life, it may lead to contact bleeding from the cervix of women. 3. Other causes: If women have endometrial polyps, cervical polyps or submucosal fibroids, they may also have symptoms of vaginal bleeding after menstruation. If a woman has sex after her period is clean and she takes the emergency contraceptive pill afterwards, this situation may also lead to withdrawal bleeding, so there will be symptoms of having blood again after her period is clean.