The body of the needle for anesthesia for pregnant women is usually 8cm long, plus the length of the handle 10cm. Pregnant women choose cesarean section or painless delivery, you need to play anesthesia in advance, through the spine will be injected into the body, the use of anesthesia needle than the general intravenous needle thicker and longer. Under normal circumstances, the body of the anesthesia needle for pregnant women to get anesthesia is 8cm long, the needle handle is 2cm long, and the total length is 10cm. During the anesthesia injection, the pregnant woman must cooperate with the anesthesiologist to administer the anesthesia and not move her body. Since the anesthesia needle for pregnant women is thicker and longer, it requires more delicate operation by the anesthesiologist, and there will be a certain degree of risk. Pregnant women are advised to combine their own actual situation and the opinion of the obstetrician and gynecologist for reference, and choose the birth method that suits their needs.