Symptoms before menstruation in 45-year-old women are similar, such as lower abdominal cramps, low back pain, breast tenderness, increased discharge, etc.; some women may also have no obvious symptoms. Before menstruation, because of hormonal changes, estrogen levels rise, or prostaglandins rise, then it is easy to lead to lower abdominal swelling, increased leukorrhea, lumbar pain, breast swelling and pain and other symptoms, usually after menstruation, it will gradually disappear. There are also some women who do not have any discomfort before their period. Before and after menstruation, you need to pay attention to keep warm, do not catch a cold; diet needs to pay attention to light, easy to digest, avoid spicy and stimulating food.