In late pregnancy, pain in the upper part of the back is considered to be caused by poor blood circulation, muscle tension and pulling, which is a relatively common symptom in late pregnancy. If the pain is serious, you can do massage treatment, gently massage the back, can promote blood circulation, reduce the phenomenon of back pain. Try to pay attention to rest and not to overexert yourself, because in the middle and late stages of pregnancy, the belly protrudes forward more obviously and the center of gravity changes, resulting in a higher weight-bearing force on the back, leading to lumbago and lumbago, which can implicate in pulling the back pain. Try to pay attention to keep warm and not to get cold, as getting cold can also lead to muscle tension, leading to increased pulling pain.