Why are new mothers more prone to lumbar disc protrusion than other people in life? 1, women in pregnancy, especially in late pregnancy, the fetus in the abdomen continues to increase, resulting in the mother-to-be lumbar disc excessive convexity, often maintain this posture, thus increasing the burden on the waist, leaving a hidden danger to the postpartum. 2, women in the postpartum period because the endocrine system has not been fully restored, bone joints and ligaments are more relaxed, the restraint of the lumbar intervertebral discs as well as firm strength is weakened, prone to lumbar disc herniation. 3, many new mothers after childbirth to raise mainly, little activity, so the weight increased. The abdomen is obese, which increases the load on the lumbar muscles, thus increasing the incidence of lumbar disc herniation.