There are two main types of reasons for the absence of nipples on the breasts: 1. Inverted nipples, which actually have nipples, because they are more serious, and the nipples that exist are trapped in the skin or areola and seem to be without nipples from the outside, are treatable and can be drawn out by pulling for 30min, 2-3 times a day. The nipple can also be sucked out with a breast pump, which can have a significant effect for 2-3 months. 2. The nipple may not develop due to trauma or septic infection during childhood. Nipple agenesis can have a serious aesthetic and psychological impact.