There is no such thing as a maximum number of vertical cesarean sections. From a clinical point of view, cesarean sections should not be performed more than three times to avoid rupture of the uterus during pregnancy due to scarred uterus. A cesarean section is a surgical procedure in which the uterus is cut open through the abdomen to remove the fetus, and it is suitable for women who have difficulty in giving birth. Whether vertical or horizontal, it is only an abdominal skin wound, and the wound on the uterus is taken at the isthmus of the uterus with a transverse incision, so a maximum of 3 caesarean sections is recommended. If the recovery after cesarean section is poor and the uterine incision is too thin, it is not advisable to give birth again. Clinically, it is not advisable to have more than 3 cesarean deliveries, otherwise the uterine scar is thin and the risk of spontaneous rupture of the uterus in the second trimester may be higher. It is best to have a 2-3 year interval between two cesarean deliveries to avoid getting pregnant too early, otherwise it may also cause uterine rupture and jeopardize health. Women need to rest a lot after cesarean section and avoid overwork. Diet should be light and nutritional intake should be enhanced to promote uterine scar healing. If there is a plan to get pregnant again, you should go to the hospital for examination first to observe whether your status is good enough to get pregnant again.