Pregnant women with severe back pain at the time of labor may be in labor soon, or it may be caused by the strain of the back muscles caused by the pressure of the fetus on the pelvis and other reasons. The severe back pain at the time of labor is accompanied by abdominal pain or redness, it is likely that the birth is imminent, and you need to go to the hospital in time to wait for the birth of the baby. However, it is also possible that the prolonged compression by the enlarged uterus, caused by the lumbar muscle strain, the lumbar muscle generated by the accumulation of acidic substances caused by the lumbar soreness is very strong. It is recommended that pregnant women avoid exertion, sitting and standing for a long time during pregnancy, pay attention to rest, ensure adequate nutrition, and eat more food rich in high-quality protein. There are many reasons for the symptoms of lumbago during pregnancy. If the lumbago is severe before delivery, you should be hospitalized in time for observation and adjustment under the guidance of your doctor.