I used to believe that your tummy button was the hole where you put a key to open the door to get the babies out.
A childhood belief about reproduction

others believed things like this
- I used to think that my belly button was where I was once shot and that the navel was a healed up bullet hole— Tony
- babies come out of your belly button— Kit
- When i was between the age of 3-7 i used to bleave that babies came out of your belly buttonAnon
- I used to believe that babies came out of a womans belly button.Anon
- when I was a kid I thought that babies come out of a belly-button.— Ana
- I used to believe that babies came out of your belly button. What else could they possibly be for? — Andrea