Final answer:
An umbilical hernia is characterized by a bulging belly button and a soft bulge at the umbilicus. There is usually no pain or discomfort associated with it.
Step-by-step explanation:
An umbilical hernia is characterized by the protrusion of abdominal contents through a weakness or defect in the abdominal wall at the umbilicus (belly button).
Signs of an umbilical hernia include:
- An enlarged or bulging belly button
- A soft bulge at the umbilicus that may become more prominent when the baby cries or strains
- No pain or discomfort