Opinions please !

So my period for november was only 3days, & i was a week late & it was super super light and very abnormal...i was also having cramps in the front of my lower abdomin into my legs, versus where they normally are.. i typicaly have a heavier period that lasts 5-6 days.... thoughts?!

This was november 8,9& 10th. Wondering if i could have mistaked this as a period and it could be implantation bleeding? Really wondering because this last week ive been more emotional & quite nauseous & more tired than normal.

Its probably all in my head im sure but im hoping its not. Im waiting to see if my next period comes before i test....