I used to believe that when a mum and dad wanted a baby they held hands and said "it's time", and then the baby would grow inside the mum's head, travling down to her belly.
A childhood belief about reproduction

others believed things like this
- When I was 5, I used to believe that every time you wanted to have a baby you had to throw a wedding.— Maze
- i used to believe when you had a baby it would come out of the belly button— cortni
- 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 believe that when a woman was pregnant, she fed the baby with a tiny spoon through her belly button.— Marie
- I used to think that babies were made when you press your mums belly button.
Then a baby would fall out— Chris Hyndman - I used to believe that a woman gave birth by pressing her belly button and the baby popped out.
— Tasha K