Not my Belief but my mom's: My mom knew what being pregnany was and that they eventually had a baby, but she had no idea how they got pregnant, her grandpa everytime they saw a pregnant woman, would say "opps, she swallowed a watermelon seed" so, for quite a while she believed this...
A childhood belief about getting pregnant

others believed things like this
- I used to believe that if I swallowed watermelon seeds, I would get pregnantAnon
- I used to believe that if I swallowed the watermelon seeds I'd get pregnant.— las peso
- I use to believe (thanks to my Mom) that if I swallowed a watermelon seed a watermelon would grow in my belly.Anon
- If you swallowed a watermelon seed it would grow in your belly— Rachelle
- I used to believe that when a woman was pregnant the baby could play monkey bars on her ribs.— Laura
- I used to believe that when a woman was pregnant, she fed the baby with a tiny spoon through her belly button.— Marie