Okay so this period pain comes, on the end of the 3rd day of the period, somtimes 4th and it hurts really bad its like sharp and stuff, but its not a normal tummy leg or back cramp, I get those but this one comes in like just near your butt. Its hard to describe, But it really hurts I started my period 2 or 3 days before I was 10 years. In year 5 , Im now 11 going to year 7. help?!! :-( Please say what it could be not that detailed cause im a kid :O thankyou.. btw: Ive told my mum and older sister.