Inverted breasts not only affect the beauty of the breast, but also cause a lot of harm to the breast, so many beauty lovers do not know what to do. So, how to correct and prevent nipple invagination? The nipple cannot protrude but is sunken inward, called nipple invagination. The degree of nipple inversion varies from person to person, and the lighter ones only show varying degrees of nipple low or retraction, which can protrude or squeeze out the nipple after stimulation. In severe cases, the nipple is completely sunken into the areola and cannot be pulled out, with a crater-like appearance and often accompanied by discharge or odor. Inverted nipples, even when extruded, are generally smaller, often without a visible nipple neck, and are split. The incidence of female nipple invagination is 1% to 2%, usually bilateral, or only on one side, the degree of nipple invagination may not be consistent, nipple invagination affects the aesthetic appearance of the breast, in addition, due to the accumulation of dirt or grease in the nipple can cause infection or odor, more serious, nipple invagination makes it difficult for infants to suckle milk and lose breastfeeding function. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The actual fact is that you can find a lot of people who are not able to get a good deal on this. In the long run, the nipples will gradually bulge outward. 2. Suction therapy: After pregnancy, the nipples are suctioned several times a day with a breast pump, using its negative pressure to encourage nipple bulging. 3, surgical wear nipple correction device to treat flat or sunken nipples. Preventive measures: 1, women’s usual clothing is too tight bundle. During the breast development period, if women wear underwear that is too tight, it will cause the clothes to press on the nipples, which can easily make the nipple concave. 2, nipple concavity is also related to genetics. Medical research, for women with sunken nipples the chances of heredity to the next generation is also great.