When i was about 10 and i had my first period, i did not know what it meant.
So when i first saw it i thought i got blood cancer and i went crying to my mom sayin i had got blood cancer. Then she explained me what it actually was.
A childhood belief about periods

others believed things like this
- when I was young, I heard that blood had iron in it. I thought blood was red because it was rusty.— Hunter
- I used to believe period blood came from the nipples. I thought that was what "padded bras" were for!!Anon
- HA! I used to think when you got your period, you would just pee blood...I wish it was like that...if only.Anon
- I thought you always die if you A. get cancer or B. have a heart attack— Nate
- when i was little i thought people with big heads or big noses had cancer...Anon
- I used to believe that guns shot out blood because everytime somebody shot a gun in a movie you saw blood.Anon