Women suddenly feel back pain, may and women in the menstrual cycle at different times have a certain relationship, such as menstruation or menstrual period, as well as in the ovulation period will be some back pain, discomfort. This is due to fluctuating hormone levels in the body, which tends to cause pelvic congestion, vasodilatation and discomfort in the lower abdomen, as well as back pain. This kind of discomfort can be relieved by resting, supplementing nutrition, avoiding exertion, avoiding excessive sports, keeping warm locally, paying attention to hot compresses, and avoiding cold, raw and cold, stimulating food, which will help to improve the local discomfort symptoms. If the obvious persistent back pain, you also need to do some relevant tests.