It is not recommended to do premarital examination when a woman comes to her period. Women need to do urine routine and also ultrasound for marriage checkups. If women have a history of sexual life, they also need to do gynecological checkups, which are analyzed as follows: I. Urine routine: When women have bleeding from the vagina when they have their period, they may contaminate the urine because the vaginal opening and urethra opening are very close to each other. In such cases, doing urine routine may see red cells and assume that there is a problem with urine routine. Women with hematuria or acute urinary tract infection may have hematuria, and urinary tract stones may also have hematuria. Second, ultrasound examination: It is not recommended to do ultrasound examination during menstruation, and the endometrium cannot be seen clearly when ultrasound examination is done during menstruation. Third, gynecological examination: It is even more important to avoid menstruation. Doing gynecological examination during menstruation may cause gynecological inflammation and infection. All in all, it is not recommended to do the marriage test when you have your period, it is recommended to do it after three days of clean menstruation is more reasonable.