An umbilical hernia is a ventral hernia located at or near the umbilicus. The European Hernia Society classification for abdominal wall hernias defines the umbilical hernia as a hernia located from 3 cm above to 3 cm below the umbilicus. It is the second most common type of hernia in an adult following inguinal hernia. It accounts for 6%-14% of all abdominal wall hernias in adults.
Coste AH, Jaafar S, Parmely JD. Umbilical Hernia. 2021 Jul 21. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan–. PMID: 29083594.