When I was young I used to believe that women only got their periods during their teen years - so from 12 to about 19 years old. I was really disapointed when I learned the truth!
A childhood belief about periods

others believed things like this
- i used to believe that women wore bras because their periods happened in their boobies.Anon
- a male friend of mine used to think that only women who had been pregnant had periods— oiman
- when i was 10 years old i believed that women who had twin babies had slept with 2 menAnon
- when i was 5 years old I thought that a pregnant women deliever the baby by vomiting it — Nesreen Tashkandi
- i used to believe when iwas young that during periods, one bleeds through thier breastsAnon
- My Mother used to tell me only the good die young and I would live to be 100+ years old because I was bad.— William