The blackened nipples of pregnancy will recover, after pregnancy due to hormonal changes in the body easily caused by pigmentation resulting in blackened nipples, after the return of normal hormones in the body will return to normal nipple color, do not worry too much. You should not overstimulate your nipples during pregnancy, pay attention to local hygiene, rinse with warm water to prevent local infection, and also need local care after giving birth, relax and eat more food containing vitamin C and vitamin E, such as apples, oranges, grapefruit, nuts, etc., can be supplemented with vitamins, which will also help the recovery of nipples. It is best to wear a cotton bra, too much milk during breastfeeding is easy to overflow, you need to wash it in time, change the bra regularly, you can prevent local eczema or bacterial infection. If you have eczema or a bacterial infection that can also cause local darkening, it is best to rub topical glyburide or erythromycin and other drugs.