Some people do not need to open the milk is a normal phenomenon, and personal constitution, postpartum body recovery is good, the body’s hormone level is normal to normal lactation, you do not need to open the milk. Some women do not need to start breastfeeding after delivery, the hormone levels in the body will change after delivery, prolactin levels continue to rise, milk secretion began to increase significantly, with the postpartum women’s physical recovery, the body’s hormone secretion is normal. Some mothers do not recover well or eat an unbalanced diet may be postpartum lack of milk, this kind of maternal postpartum milk has not been secreted, to go to the milk to promote milk discharge, such as more sucking, hot compresses and breast massage, pay attention to balanced nutrition, drink more soup and other ways to regulate. Mothers who have a natural delivery, let the baby suckle on their breasts 30 minutes after the baby is born, and the sooner the baby suckles on the breast, the more abundant the milk secretion will be.