Is it normal ??

Sherita • Smileyy Is My Name Very Goofy & Love Making Friends Looking For Bestfriends Though😂💕😘
I haven't started my period yet and I usually start dead on in the beginning of the month but I noticed here lately that I haven't had one in a month or 2. I feel the symptoms but then nothing is shown as me having an actual period.. I haven't had sex in 2 or 3 months...