On the 5th day of menstruation, you can have a hormone six test and ultrasound. 1. Hormone 6 test: Hormone 6 test can understand the level of each hormone, the result of this test is different in different menstrual cycles, and the test can be performed on the 3rd to 5th day of menstruation to clarify the functional status of the ovaries. 2. Ultrasound: If a woman has abnormal menstruation and suspects that it is related to the thickness of the uterine lining, she can go to the hospital for an ultrasound on the 5th day of her menstruation to find out whether the thickness of the uterine lining is normal or not. If a woman has abnormal symptoms during menstruation, it is recommended to consult a doctor in time for examination and treatment under the doctor’s guidance to avoid excessive examination and wrong treatment.