Pregnant women with back pain during pregnancy can not straighten up and can not move, may be caused by lumbar muscle strain, to actively seek medical treatment, usually pay attention to maintain the correct sitting posture and timely calcium supplement. Pregnant women in pregnancy back pain straight up, even can not move, may be pregnant women during pregnancy to do substantial exercise, or long time to maintain a position, resulting in lumbar muscle strain, pregnant women should actively seek medical treatment, usually need to see orthopedics. During pregnancy, the fetus and the uterus continue to grow, resulting in an increasingly heavy load on the lower back of the pregnant woman, forming chronic sports injuries over time. After consultation and treatment, it is usually necessary to adopt correct sitting and sleeping postures, as well as calcium supplements. Pregnant women during pregnancy back pain straight up or even can not move, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.