I haven't had my period in 3 months, and I know I'm not pregnant because I'm still a virgin, I've asked my mom and she sais I'm fine, but I'm scared, is there any reason to go to the doctors, or is my mom right, please tell me is something wrong wit me? I've had my period for 3 years now so it should regulate, is something wrong?

Have you had extra stress, other illnes, change in diet or life style.
How old are you ?