The pain of contractions after cesarean section is obvious about 7 days after surgery, the uterus after cesarean section needs about 42 days to recover from pregnancy to non-pregnancy, that is, within 6 weeks after delivery to fully recover, but the recovery is more obvious mainly within 1 week after delivery, especially the pain is obvious in the first 2 days after cesarean section, at this time the wound of cesarean section is also in pain, the uterus contraction is also in pain, the pain is double. Many women need to add pain pumps to relieve the pain of contractions and uterine wound pain. After the birth must pay attention to the contraction of the uterus, the uterus contraction pain because the uterus contraction, so doctors feel pain is good, on the contrary, if the uterus is not painful, the uterus contraction is weak, easy to give birth to postpartum hemorrhage.