Normally, uterine contractions will be painful for about 1 week after delivery, and may last up to 10 days for some women with slower recovery. After the delivery of the fetus, the uterus can not immediately return to the state of non-pregnancy, need to promote the recovery of the uterus through contractions, and contractions will cause contraction pains, in general, postpartum uterine contractions will last about 7 days. The larger the uterus, the stronger the contractions and the more severe the contraction pains, so the contraction pains are most obvious in the first few days after delivery. In addition, the uterus is more sensitive and the contractions are stronger after delivery, so postpartum contractions tend to be more pronounced in experienced women than in newborns. However, postpartum contractions are not as severe as those experienced during labor and can be tolerated by most women. Postpartum contractions generally do not require the use of analgesic drugs, if the pain is more serious, you can use a warm water bag localized hot compresses, physiotherapy and other pain relief.