Hi my name is jessica i am 13 years old and i really need some help.i had told my mom that i have been experiencing problems with my period.My period started beening iregular in september of last year.It started on the normal day and didnt stop until the middle of the next month.Then i was off of it for 3 days and got right back on it again and this is still happening.I havent went to the doctors for it yet because i need more information befor i want to go to the doctors.Can you please me i have cramps all the time and always in a bad mood.PLEASE PLEASE HELP I REALLY NEED IT.