Smaller injuries can heal with proper care. However, if a nipple is completely damaged or removed from the body, it won’t grow back. While rare, one or both nipples can be lost in an accident.
Moreover, does milk come out of piercing holes?
You may notice that your breast milk leaks through the holes of your piercing, but that’s not a cause for concern. If it’s enough liquid to be bothersome, once you remove the jewelry, you can wear nursing pads in your bra to help soak up the leaking breast milk.