It is best not to do routine urine tests when you are menstruating, because menstrual blood is likely to drip into the urine, which will affect the test results, it is recommended that it is best to do urine tests after the menstrual period is completely clean, so that the accuracy will be higher. If you are in a state of emergency and have to check the situation, it is recommended that you wipe the vulva clean and then put a tissue into the vaginal opening, do not discharge the first part of the urine, leave the middle part of the urine and then send it to the laboratory for checking, which will have less impact on the results. In addition, after the results of the test must be explained to the doctor that they are in the menstrual period, the doctor will be based on the results to make judgments and give appropriate medication for treatment.