Menstruation urine blood what happened

It is normal to urinate blood during menstruation, mainly because blood is discharged from the vagina after the endometrium falls off. When urinating, menstrual blood will mix with urine and flow out from below, but in fact they both flow out from different places. Blood in urine may also be caused by other conditions, such as acute urethritis, urinary system infection and other problems may produce symptoms of blood in urine, if accompanied by urgency, pain, urine and other problems, it is recommended to go to the hospital for routine urine examination after menstruation, diagnose the disease and then symptomatic treatment.