When I was younger, about 8-9 years old, I believed that a guy and a girl sleeping in the same bed was enough to get the girl pregnant. Not requiring any other physical contact.. :)
A childhood belief about getting pregnant

others believed things like this
- When I was younger, I saw Madonna's video for "Material Girl". I thought she was singing "I'm a Cheerio Girl"!— Greg
- When I was little, I believed that a girl could get pregnant by loving her husband and kissing him.— Ryne
- When i was younger i believed that a cat was a girl and dogs were boys.Anon
- A girl could get pregnant going to the bathroom after a boy.— Brandy Gallop
- when i was 7ish i used to think that you got a girl pregnant by peeing in them— nick
- i used to believe a girl will pregnant if kissing a boy on the face— mulan