im 14 and im a virgin and i have very irregular periods. i havnt had my period since september 30th 2009 it is now january 2010. i would get my period onece then after two or three months i would get it again. my mom said this happened to her once but this happened to me several times. im really scared cause im really concerned about my body. i was just wondering if this is genetic or if its normal for people with irregular periods. do i need to see a doctor for this?

p.s: pls write back ASAP