The 10 days after the period came again may be physiological phenomenon, may also be pathological factors. 1. Physiological phenomenon: women have vaginal bleeding in the middle of two menstrual periods, it may be ovulation bleeding, usually a small amount of bleeding, or accompanied by a slight pain in one side of the lower abdomen, lasts for 2 to 3 days bleeding stops on its own, no need for special treatment. 2. Pathological factors: (1) Female reproductive tract diseases: when suffering from cervical polyps, cervical cancer, endometrial polyps, uterine fibroids, there can be vaginal bleeding again 10 days after the menstrual period has been cleaned up, which requires gynecological examination and ultrasound, and usually can be clearly diagnosed. (2) Endocrine disorders: women who are nervous, have too much pressure in life or study, stay up late or suffer from polycystic ovary syndrome will cause hormone level disorders in the body, which may lead to disorders in the menstrual cycle or vaginal bleeding 10 days after the menstrual period is cleared, so you can go to the hospital to have blood tests for the hormone six levels 2 to 4 days after the menstrual period. There may be other reasons for bleeding after menstruation, so you should go to the hospital in time and under the guidance of a professional doctor to have a relevant examination and treatment for the cause of the disease.