Cesarean section, also called cesarean section, is simply an important operation in the field of obstetrics that uses medical means to artificially cut open the abdominal wall and uterus to remove the fetus. Now, with the continuous improvement of surgical methods, surgical suture materials and the continuous advancement of infection control measures, caesarean section has become an effective means to solve difficult labor and certain obstetric complications and save the lives of mothers and perinatal infants. So what are the risks of cesarean section for pregnant women? 1. Bleeding: Cesarean section will cause more bleeding than vaginal delivery, and it is relatively easy to cause postpartum hemorrhage. 2. Risks of anesthesia: The probability of an accident is small after all, but it is still a little bit. 3. Cesarean section incision diverticulum: This is a small hole left by the scar on the uterus that has not grown properly. It is prone to bleeding from the menstrual period, bleeding after intercourse, uterine rupture in another pregnancy, etc. 4. Abdominal wall incisional endometriosis: There are currently many incidences of endometriosis. The lesions increase in pain during menstruation and require surgical removal to a certain extent. 5. The risk of subsequent pregnancy is greater: such as placenta previa, dangerous placenta previa, placenta accreta, uterine rupture, etc.