The increase in the number of times you urinate during menstruation is mainly due to the anterior flexion and anterior tilt of the uterus, which is in a congested state during menstruation, so stimulation of the bladder will cause an increase in the number of times you urinate, which is a normal phenomenon. After the menstrual period, this symptom will disappear, then also recommended in the original menstrual period must keep the vulva clean, every day to use warm water to wash the vulva 1-2 times and change sanitary napkins. Because the female urethra is short and straight, if not well cared for during menstruation, it is likely to cause urethral infections, which can cause bladder irritation symptoms such as frequent urination, urinary urgency, urinary pain, etc., and clinically there may also be the case of hematuria, so pay attention to it. In addition, if there is an increase in the frequency of urination during menstruation and accompanied by lower abdominal pain or painful urination is an abnormal phenomenon, mostly due to urinary tract infections, it is recommended to check the urine routine, and then give treatment.