Sudden back pain in women is particularly severe in the following cases: 1, it may be due to the menstrual period leading to sudden pain in the lumbar region due to radioactivity. 2, acute injury to the lumbar region, there will be lumbar paraspinal ligamentitis, supraspinal ligamentitis, lumbar muscle strain, lumbar disc herniation, and lumbar spinal stenosis, which can lead to sudden pain symptoms. 3, women’s urinary system or kidney stones lead to pain in the lumbar region, as many women 4, less exercise is also likely to lead to the formation of stones in the urinary system. Therefore, women with sudden severe back pain should absolutely rest in bed. If there is no relief within a short period of time, or if the symptoms of pain are progressively aggravated, you must go to a regular hospital in time to improve the necessary relevant tests and choose a reasonable treatment method after clarifying the cause, so as not to delay the condition.