Endometrial thickening of 17 cm may not necessarily be cancer, but may also be caused by simple endometrial hyperplasia, which can be treated with medication. When the endometrial thickening is caused by the imminent menstruation or irregular menstruation, it can be treated with progesterone capsules, which can be taken for about five days to a week. However, we can’t rule out endometrial cancer and endometrial polyp. We need to go to the hospital for detailed examination, and we will be more relieved only after a comprehensive examination. This can also happen if you are under a lot of stress. In addition, people who often do not like to exercise are also prone to endometrial thickening. You must pay special attention in your daily life and keep exercising every day for more than 30 minutes. The mood should also try to stay relaxed, not too much stress, and also to reduce the time to stay up late at night, staying up too long will also cause the body to decline in all aspects of function.