Women’s symptoms during menstruation may vary from person to person due to their physical differences and their own diseases. There are several possible causes of low back pain during menstruation; the first is that women may have lumbar disc herniation and lumbar muscle strain, so during menstruation, often due to the congestion of the uterus and pelvis, it causes significant discomfort or pain in the lower back; or there is no rest during menstruation, due to exertion and resulting in lumbar pain, such as excessive standing or activity during menstruation, may appear to have Some women do not have any organic disease, but the uterus is in a posterior position in the pelvis, and during menstruation, the blood-filled uterus will reflexively stimulate the surrounding organs, causing pain in the lower back; some women, during menstruation, have contraction of the uterus due to increased secretion of prostaglandins, which will cause dysmenorrhea, which will not only cause pain in the abdomen, but also pain in the lower back. It can even cause reactions such as nausea and vomiting. As long as the back pain is not caused by organic diseases, it can be recovered naturally by applying local heat or resting in bed during menstruation. If the pain is unbearable, you need to go to the hospital to find out the cause of the pain for proper treatment.