I believed that you would be pregnant for 18 months.
A childhood belief about reproduction

others believed things like this
- I used to think once you got pregnant, you couldn't have sex at all during the 9 months.Anon
- Until about 6 months ago (I'm 21), I believed a bidet was used to wash your feet in.
Eep!— Rebekah - My sister used to think that because I was 15 months older than her, I would die 15 months before her!— Nicola Braden
- I believed when I was really little, that if you went into Mothercare you would become pregnant.Anon
- When I was about 5 I believed that you could become pregnant from being kissed on the neck. — Jamie
- When I was little i believed that women cannot get pregnant if they had a belly piercing— bananahead