Generally speaking, you can exercise to lose weight after three months. Because strenuous exercise to lose weight immediately after delivery is likely to slow down the recovery of the body uterus and cause bleeding. In severe cases, the surgical segment or vulvar incision will be damaged again during delivery. Generally speaking, after 4 ~ 6 weeks of natural delivery, mothers can start to do postpartum slimming exercise, and cesarean section takes 6 ~ 8 weeks or even longer. Please accept zj's answer.