It's related to the presence of space between the skin and the abdominal wall, he says. If the soft tissue protrudes through, you've got an outie, which is much rarer in people than the more-desired innie.
Most people who have an "outie" fall into one of two categories: either they were born with a tiny umbilical hernia, which is most likely, or had a small infection at the base of the umbilical cord that went unnoticed. This will cause unusual tissue called granulation tissue to form.
Your belly button! Whether you end up with an innie or an outie is usually a matter of chance. Most people end up with innies, but some people have outies. Outies usually occur when more of the umbilical cord is left when it's cut, leading to more skin left over once it dries out.
But it's really mostly random, as the umbilical cord is always clamped well away from the navel and doesn't usually affect innie or outie status. The shape of the belly button a person ends up with, however, is determined by how the umbilical cord was attached, not where it was cut.
Many shapes and sizes
Around 90 per cent of people end up with an innie, leaving about 10 per cent with the rare outie shape. An outie — or protruding belly button — occurs when the piece of umbilical cord left after the nub is clamped pokes out slightly instead of protruding back into the abdomen.
There are two main types of belly buttons that people have: innies and outies. Although innies are usually deemed more desirable, outies are actually far rarer. According to the American Museum of Natural History, only 10% of people in the world even have outies.
Most of us have innie belly buttons, with only about 10 percent outies. A few of us may have something in between, or even a little of both! Here are some more fun facts about our belly buttons.
Innie or outie: Whether you have an innie or an outie bellybutton has nothing to do with whether your mother had one or your father or your grandfather. In other words, it has nothing to do with genetics. And it has nothing to do with how the doctor cut your umbilical cord.
Will Baby's Outie Belly Button Go In? According to Scott, sometimes when an umbilical hernia closes on its own, the outie belly button may go in, but for the most part, there's not a lot parents can do. “As long as the hernia is small, less than 1 to 2 cm in diameter, it just takes time and patience,” she says.
Up to 90 percent of the general population has an “innie,” which leaves the other 10 percent with an outie belly button. Although some would have you believe that an outie is the result of the way the umbilical cord was cut, this just isn't true. Learn what exactly causes an outie belly button, and more.
A: It doesn't happen to everyone who's pregnant, but sometimes a growing fetus in the uterus puts so much pressure on your abdominal wall that your normally “innie” belly button becomes an “outie.” It typically happens in the second or third trimester of pregnancy, most commonly around 26 weeks.
Whether a child ends up with an innie vs. an outie belly button is purely a matter of chance. Despite popular opinion, it has nothing to do with the way a doctor cuts the umbilical cord or with how the parents care for the belly button area as the skin heals.
Whether your baby's belly button is an outie or an innie depends on how they heal when their umbilical cord stump falls off. The shape of your baby's belly button has nothing to do with how the cord was cut or anything else you or your doctor did – it's up to chance.
Whether or not your baby will have an innie or outie belly button just has to do with the umbilical cord healing process. That said, there are two newborn medical conditions that may cause your baby's belly button to protrude: umbilical hernias and umbilical granulomas.
Whether you have an innie or an outie, belly buttons are pretty obvious on humans. But have you ever wondered if dogs have belly buttons, too? Believe it or not, dogs do have belly buttons. They might be covered in fur and almost impossible to find, but they are there.
The shape and dent of your navel essentially determines how the umbilical cord heals. Belly buttons don't necessarily mean anything in particular about your health, however some people would argue that your belly button says a lot about you as a person.” Belly buttons are low-key gross.
Outie and innie: In humans, the umbilical scar can appear as a depression (often referred to as an innie) or as a protrusion (outie), although umbilicus could be classified into these two categories.
Other famous outies include actress Katie Holmes, 37, and American Black Eyed Peas singer Fergie, 41.
According to a study at the University of Missouri, small, T-shaped belly buttons are the most attractive.
The distinction of having an “innie” or “outie” belly button is something we often notice about ourselves or our children soon after they are born. A majority of people around the world have an innie belly button, but outies are incredibly common as well.
Some women's belly buttons don't pop out. They stay the same, or they become flat. This all depends on your weight before pregnancy and how much you have gained or stretched during your pregnancy.