Im not sure if this is normal or not but i like take 2 months to get my next period and its so irregular i cant keep up i swear it always gets me on the wrong days. I havent had my period since 28th dec 15 and im 16 and dont have never had sex or anything. Is this normal coz i get really freaked out :(( but i like hate talking about it to my mum ;( please help