Women can take a urine test during menstruation, but it is best for women to avoid the menstrual period, and it is not advisable to take a urine test three days before or after menstruation. 1. Women’s menstrual period due to the possibility of menstrual blood contamination of urine samples, resulting in false-positive occult blood, so women’s urine test is best to avoid the menstrual period. 2. If a woman’s urinary frequency, urinary urgency, urinary pain symptoms are obvious, consider the possibility of urinary tract infection, during menstruation can be urine test, but before the urine test pay attention to clean the vulva, retain specimens pay attention to stay in the middle of the urine, as far as possible to avoid menstrual blood contamination of urine. If a woman’s urine test is to do other urine biochemical examination, such as urine ion content, urine microalbumin creatinine ratio, etc., generally by menstrual blood contamination is relatively small, if necessary, you can carry out the examination, but before the examination also need to carefully clean the vulva.