Implantation bleeding or period???

Vanessa
Hello my last period was nov 22-25 an for december NO PERIOD AT ALL!!! This last week that i was suppose to get my period instead i got some brown/pink discharge the pink color always stays its very lightly and i been very nausous every morning but since the past it always says no im a bit nervous to test i googled everywere says implantation bleeding and there is no pain no cramps just here an there u feel a light pulling/pinching on the lower right side all opinions appreciated thank you i just never ever experienced this befor and always got my period....