I used to believe that babies were born by the belly button stretching and then everting to deliver the baby.
A childhood belief about belly buttons

others believed things like this
- That the belly button was the place where babies where born from.Anon
- I used to think that babies were made when you press your mums belly button.
Then a baby would fall out— Chris Hyndman - babies come out of your belly button— Kit
- when I was a kid I thought that babies come out of a belly-button.— Ana
- i used to believe that when you pushed your belly button a baby would pop out im now 14 and know the truth — kelsey
- I used to think that if i touched my belly button it would unfold and my belly would be inside out forever. Anon