Im 15 years old and i started my period last year, it has been coming normally every month but i havent had it the last 4 months and now i have an aching pain in my stomach which i have had for 4 days. My stomach is very bloated and my mother thought it was probably just my period coming but the pain in my stomach is much worse than usual period cramps. The pain is in my lower stomach and it even hurts when i move. It keeps me awake at nights and i can barely stand straight sometimes because its so bad. What do you think it is??