If your period is not more than 7 days early, no tests are usually needed. If it is more than 7 days early, you can consult a doctor for sex hormone test, ultrasound examination, etc. For those who do not have regular menstruation and their period is not more than 7 days early, it is considered to be related to recent physiological factors such as excessive mental stress and lack of sleep. This is a normal phenomenon and does not require medical examination. However, for those who usually have regular menstruation and their periods are more than 7 days early, they can go to the doctor for a sex hormone test to find out if the hormone level is disturbed in the body. Some women may also seek medical attention for routine blood tests and coagulation tests to check for anemia or blood disorders. Ultrasonography can also be done to observe the shape of the uterus, the thickness of the lining, the number of follicles, and magnetic resonance imaging can be done to observe whether there are tumors. At the same time, women can also do hysteroscopy and laparoscopy to help observe the uterus. It is recommended that those with early menstruation should consult a regular hospital for examination to ensure the accuracy of the test results. Women should pay attention to rest, avoid staying up late and overworking, and also pay attention to maintaining physical and mental well-being.