1.When can I have a painless delivery? When labor starts, the uterus is contracting regularly, the opening of the uterus is more than 1 finger, and you feel a certain degree of pain, you can ask the midwife for labor analgesia. 2.Is painless delivery safe for mother and baby? Intraductal analgesia is performed by an experienced anesthesiologist in an aseptic state by puncturing the lumbar space of the mother and injecting a small amount of anesthetic drugs, and monitoring the vital signs of the mother and baby throughout the whole process, and the anesthetic drugs pass through the placenta minimally and have no adverse effect on the fetus. 3.Can labor analgesia last until the baby is born? Yes. According to the length of labor, the anesthesiologist will let the mother use an electronic analgesic pump to administer the drug by herself, and ensure that the pain is completely effective and long enough. 4.Does the birth have to be normal after a painless delivery? It depends on obstetrical factors such as the cephalopelvic proportion of the fetus, stalled labor and intrauterine distress.