After pregnancy, the nipples will have a slight swelling or tingling sensation, in the early stages of pregnancy will show a slight pain, in the middle and late stages of pregnancy, the whole breast will show a significant swelling and pain, and even some pregnant women will have the phenomenon of milk flow, these conditions belong to the physiological manifestations, during pregnancy will also show the nipple and areola color deepening, and the expansion of the phenomenon. You should pay attention to keeping your nipples clean and hygienic, pay attention to washing them, and wear loose cotton underwear to reduce the stimulation of the local skin and also to facilitate blood circulation. During pregnancy, try to pay attention not to eat spicy and stimulating food, to avoid the expansion of blood vessels, blood circulation accelerated, resulting in the aggravation of the phenomenon of breast pain.