A friend of mine went through the first several years of her life believe that when babies were born they came out one of three ways - boy, girl, or clown.
A childhood belief about clowns

others believed things like this
- My friend's sister believed the lyrics to Gazza's "Fog on the Tyne" were "Fog on the dinasaurs mine all mine"— Suzanne
- I used to believe that babies were born out our bellybuttons.Anon
- When I was a child I used to believe that the the babies were born from the seeds. — Rosimeire
- That the belly button was the place where babies where born from.Anon
- In the mid 90's, I used to believe that babies who were born in the year 2000 would live forever.Anon
- I used to think that I nursing home was a place were mothers would take their new born babies to feed them— Katie