Classification and Characteristics of Nipple Recess The nipple of an adult woman is sunken below the skin surface of the areola, but does not protrude above the areola plane, which is called nipple invagination (nipple invagination). The degree of nipple invagination varies, some only show nipple (nipple) invagination, and the most serious performance is nipple depression or even inversion. Nipple invagination usually occurs on both sides at the same time or unilaterally. Nipple depression is not uncommon among girls before marriage, and it has no effect on their health. They can get married, have children and have a happy family. Nipple depression can be divided into congenital and acquired types: Nipple invagination is mainly congenital and congenital nipple dysplasia. The day after tomorrow, because of wearing a bra too early or wearing a bra too tightly in adolescence, the nipple can not develop or even shrink because of contraction and compression. Inflammatory contracture can also cause nipple depression. Trauma or surgery, breast tumor and fibroplasia after mastitis can also cause nipple depression. Nipple invagination can also be divided into primary and secondary types: 1. Primary nipple invagination: due to the dysplasia of smooth muscle of nipple and areola, muscle fibers are pulled inward, and there is a lack of supporting tissue palm rest under nipple. 2, secondary nipple invagination: often due to trauma or surgery, breast tumor and fibroplasia after mastitis, the nipple is pulled by pathological tissue in the breast. Nipple depression can be divided into true nipple depression, invaginated nipple depression and false nipple depression: if the nipple is trapped under the areola and cannot be pulled out, it is true nipple depression; If the nipple turns inward and cannot be pulled out, it is also called nipple invagination; If it is on the same plane as the breast skin, it is called flat nipple, also known as false nipple depression. The above kinds of nipple depression are due to the dysplasia of smooth muscle of nipple and areola, and the short mammary duct in nipple. Generally, the nipple contains 10-20 openings of mammary ducts. The mammary ducts are surrounded by smooth muscles extending from areola muscles, and the smooth muscles extend to the dermis of the nipple, and these muscle bundle fibers are pulled inward. In addition, there is a lack of supporting tissue under the nipple, which leads to the nipple not protruding, thus forming nipple invagination. Some are caused by hypoplasia of mammary ducts, not ductalization, but being pulled by solid cords, leading to nipple invagination. For secondary (acquired) nipple invagination, for invagination caused by obvious reasons such as infection surgery and trauma, besides later plastic repair, treatment should also be given according to the cause. Acquired nipple invagination has no obvious reason, especially unilateral invagination, so we should be alert to the occurrence of breast cancer. Nipple invagination degree Nipple invagination (nipple invagination, nipple invagination) can be divided into four categories: First, there is partial nipple invagination in the nipple neck, which can be recovered by slightly squeezing or pulling the nipple, which is mild nipple invagination, also known as reversible nipple invagination. After squeezing or pulling out, the nipple size is similar to that of ordinary people. Second, the nipple is completely sunken in the areola, but it can be squeezed out by hand. The nipple is smaller than normal, and there is no nipple neck or neck short. Third, the nipple is completely buried under the areola, so it is impossible to squeeze out the invaginated nipple, and most of them have no nipple neck. Fourth, irreversible nipple invagination, that is, severe nipple invagination. The harm of nipple depression 1. The nipple is deeply sunken (nipple sunken) in the areola skin, and local dimples can't be washed away for a long time, and secretions and pollutants can't be removed, giving off an unpleasant smell, which is easy to cause nipple areola inflammation, even bleeding and erosion, forming chronic inflammation. The mammary duct communicates with the depression, and inflammation can spread into the mammary gland, causing mastitis. Second, the nipple can't be exposed, the mother can't breastfeed, and the baby can't suck milk, which affects the baby's development. Third, because the nipple is sunken, the nipple is often forcibly pulled out during breastfeeding. At this time, the nipple is very delicate, and once it collides, it is easy to be damaged, broken and bleeding, which can cause nipple and even the whole breast infection, and eventually mastitis occurs. Fourth, the poor discharge of maternal milk will lead to milk duct obstruction and milk deposition, which is prone to acute mastitis and breast abscess. Mothers who never breastfeed also increase the risk of breast tumors. Five, nipple depression is detrimental to women's chest bodybuilding, losing its due curve, which hinders the beauty of the breast. 6. Nipple is a very important sexual sensitive point for women, and many women's sexual desire is realized through nipple stimulation. Once the nipple is sunken, it is difficult to play an effective role in sexual stimulation, and even affect the man's sexual desire. Prevention of nipple depression Girls should wear bras of appropriate size according to the size of their breasts to ensure that nipples can develop well. You can open a hole in the front end of the bra corresponding to the nipple, and just squeeze out the invaginated nipple after wearing the bra. For girls with big breasts, more attention should be paid to the looseness of underwear to avoid long-term extrusion of breasts and nipples. For girls who have prone habits, it is necessary to correct them in time to prevent nipples from being squeezed, so as not to aggravate the degree of nipple depression (nipple depression, nipple invagination). Anyone who has nipple invagination in immediate family members such as mother and menstruation should be taken as the key prevention object. After the birth of a baby girl with genetic tendency, the mother can gently pull the nipple outward, 1-2 times a day. Pay attention to the action must be gentle, it is best to ask experienced people to operate. In this way, we can see that the baby's nipple is mung bean-shaped or small round and higher than the skin, and the probability of nipple invagination is greatly reduced. Non-surgical conservative correction of nipple depression (nipple depression, nipple invagination, nipple invagination) can be corrected, and the best time for correction is before marriage or early pregnancy. Mild nipple depression can be treated by conservative traction first (especially suitable for immature girls). Wash with warm water twice a day, then gently pull the inverted nipple outward and squeeze it out of the skin. Don't pull too hard to avoid damaging the nipple. You can also gently pull the nipple outward when taking a bath, hold the nipple horizontally or vertically with your thumb and forefinger, and pull the nipple outward continuously or intermittently to make the nipple protrude. Bilateral nipple alternation. 3-5 times a day. Adolescence is an important period of breast development and correction of nipple invagination. Often pulling the nipple can make the breast protrude, increase the supporting force of the surrounding skin, and play the role of "shaping". Several times a day. After a long time, the nipple naturally protrudes outward. If you can't pull it out, you can put your thumb on both sides of the nipple and push it back and forth or up, three times a day, five times each time. After marriage, the man can suck his wife's inverted nipple. This kind of sucking can not only correct nipple invagination, but also prevent mammary gland inflammation, and of course make husband and wife's sexual life more harmonious. If nipple invagination is not corrected before delivery, a glass eye drop bottle can be used. The thick end is buckled on the nipple, and the thin end is connected with the syringe by a rubber tube. The air in the bottle is pumped out to make it negative pressure, and the nipple is sucked out. Take it off after a few minutes, and then pull it by hand to stop it from retracting. This method can be repeated if necessary. You can also use a 5 ml or 10 ml syringe to pull out the internal plug and connect the electric aspirator in turn. Negative pressure of 400 ~ 500 mm Hg can suck nipples. You can treat 1 time every day and inhale repeatedly. The course of treatment is 20th 1, and some slightly sunken nipples can also be pulled out. It is the most ideal method to correct nipple inversion by instrument traction. The nipple corrector can suck out the nipple by using the negative pressure principle, and can also suck out the nipple continuously or intermittently. More importantly, the nipple orthosis can be used conveniently during the day and at night, without affecting the normal work of women, which greatly saves valuable time. The above correction methods can achieve good results in two months.