well im 15 years old n i dont get my period everymonth!!?!?!?!.....its weir 4 da first few months that i got my period...everything was normal...but now its like i get it every 5 months or 3....its weird n im still a virgin so when it first happend i wasnt scared but now i just donr get y i get dont get it!!>.help 8-|