So I promise this isn't one of those "Am I pregnant?!?!" Posts, but what are some reasons your period could be late besides pregnancy..? I haven't had sex so I know I'm not pregnant, but like My Cm Is normally like it is before my period, I have the pms symptoms, but my cycle is longer than it usually is and I'm kinda getting nervous something is wrong, what's some things that could throw off your period (BESIDES being pregnant)