help I am A fish

I was 11 when i was sitting in class during silent reading andi felt someting wet as i moved to get another book i asked my teacher i could go to the toilet as i pulled down my pants i just saw red stuff and yelled at my friend to get the teacher she ran got the teacher and she gaveme a pad it wal inbarssing cause it was the firt day of year six and i didnt know the teacher that well