I don't know why, but I used to believe that babies were one year old when they were born o_O.
A childhood belief about giving birth

others believed things like this
- 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 believe that babies were born out our bellybuttons.Anon
- 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 babies were born with clothes onAnon
- I used to believe babies were 9 months old when they were bornAnon
- I used to think that babies were all born via surgery :(— Anonymous