Last month my cycle came twice but it was spotting every time and only lasted those two days now it's two days late what could it be ?

It happens sometimes: Many women have occasional variation of their mucus discharge, some spotting between periods, a heavier period, a lighter period, a longer or shorter period, or even a missed period. Having one or two of these symptoms doesn’t necessarily mean there is a medical problem, but a visit to one’s primary care or Ob-Gyn doctor is a good idea if symptoms persist. A home pregnancy test can rule out preg.