<qa>  What can CSEA help relieve labor pain?Labor analgesia can relieve labor pain, reduce stress reactions, and improve blood supply to the fetus, benefiting mother and baby. Though traditional epidural analgesia has been used for more than 40 years, combined spinal-epidural analgesia CSEA has become popular because it provides faster-onset pain relief with minimal motor weakness. CSEA may also accelerate cervical dilation. 