Auntie generally refers to menstruation. The lining of the uterus is 17 millimeters thick, and if you don’t have a period close to your period, it may be caused by endometrial hyperplasia, for example. Hysteroscopy and hormone six tests are needed to confirm the diagnosis and then medication can be administered under the doctor’s guidance. If the condition is serious, surgery can be performed. Normal endometrial thickness reaches about 10 millimeters will come to menstruation. If the endometrium is 17 millimeters and there is no sign of menstruation close to the menstrual period, it may be caused by excessive endometrial thickness, and the patient needs to go to the hospital for hysteroscopy and hormone six tests. At the same time, take progesterone drugs such as progesterone under the guidance of the doctor for treatment. If the patient has serious endometrial hyperplasia, the patient needs to go to the regular hospital for surgical treatment. When the patient’s endometrial thickness reaches 17 millimeters without menstruation, it is recommended to consult a doctor in time for reasonable treatment by a professional doctor.