Two days after menstruation and again may be abnormal uterine bleeding, which occurs when suffering from endometrial polyps, fibroids, adenomyosis, endocrine disorders, and local abnormalities of the endometrium. You can take the uterine bleeding granules to stop the bleeding first, and then go to a regular hospital for gynecological examination and ultrasound examination. If the menstruation is related to menstrual disorder after two days, you can have a sex hormone test to analyze the cause and deal with the symptoms. To consider is simply the return of menstruation, appear after intercourse or strenuous exercise, menstruation just after the endometrium has not fully recovered, intercourse will stimulate the uterus, appear again bleeding phenomenon, so the menstruation just after can not intercourse. Menstruation is also related to menstrual disorders, which are easily affected by external influences. If affected by emotions, the environment, drugs, menstruation will become disorderly, during the menstruation period to keep a calm state of mind, reduce stress.