Could I be??

I got my period the 1st through the 5th and today (8th) I had light pink discharge... I never have light pink discharge, and havent had sex in almost 4 weeks, when i look it up, says it could be implantation, but just a few days after my period!? Was my period not actually my period? It was shorter than usual, kinda confused... could I actually be pregnant? 🤔