I used to believe that if you ate the black seeds from watermelon a watermelon would grow in your stomach and I thought that was what happened to pregnant women.
A childhood belief about seeds

others believed things like this
- If you eat watermelon seeds a watermelon will grow in your tummy and vines will come out your earsAnon
- when you eat the seeds from a watermelon a watermelon will start to grow inside your stomache.Anon
- I used to believe that if you ate a watermelon seed you would grow a watermelon tree in your stomach!!!— Eskimo
- I used to beleive that if you ate a black watermelon seed a tree would grow in your stomach— anonymous
- I used to believe that if I swallowed watermelon seeds, I would get pregnantAnon
- I used to think that if i ate watermelon seeds they would grow out of my ears.— Catherine