when i was around grade 4 (or below), i used to believe that babies were born from their mum's belly that they just popped from the belly button when it's time.
A childhood belief about giving birth

others believed things like this
- That the belly button was the place where babies where born from.Anon
- I used to believe that a woman gave birth by pressing her belly button and the baby popped out.
— Tasha K - 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