The umbilical cord’s function lies in providing the connection between an expectant mother and the fetus in her womb. The cord goes through a small foramen (hole) in stomach muscles of a baby. After the delivery, this foramen is expected to close in most cases.
1. Sometimes it does not, which leads to intestines and tissues bulging through the weak spot around the belly button. Typically, umbilical hernias do not cause any discomfort or pain. They close on their own in 9 out of 10 cases.