Most people have an “innie” with an inward scar, but about one in 10 people have an “outie,” or button-like umbilicus, with ...

Sometimes, an expanding belly can turn a pregnant woman's innie into an outie.

Your belly button is a scar, your very first one. It forms when a doctor snips your umbilical cord, and, depending on how it heals, you could have an outie or, more likely, an innie. And innies ...

The belly button is a remnant of the umbilical cord, which connects a fetus to its mother during pregnancy. There are many variations, but the two main groups are 'outies' and 'innies.' ...