I used to think that babies came out of Mum's mouth. This was logical, as I knew they grew in Mum's tummy, and the only connection between the outside world and Mum's tummy that I knew about was the mouth. My brother corrected me on this one, he told me babies came out of Mum's butt!
A childhood belief about giving birth

others believed things like this
- I used to believe that babies were born through the mom's mouth.
Don't know how I came up with that. — Makenna - I used to believe that babies came out of their mother's mouth like a small bubble.— Evelyn
- Before I knew about death, I used to think people turned back into babies again after they got old. Anon
- I used to believe that if I slept on my tummy my boobs would never grow so I never slept on my tummy.— LoLo
- I used to think that babies came out of the butt— Claire
- my brother told me that if i ride my bike with my mouth open i will swallow my tounge. Anon