Implation bleeding?

Ebony • 🧢👦🏾 Amare’ 05/03/12👶🏾🦄 Ariah Reign🎀11/28/18

I had a period for ONLY 2 days. The first day I spotted ALL day pink/brown, and the second day it was medium with thin clots. Could this have been ib? 🤔 my periods has ALWAYS been regular 5 days long heavy never light. I tested negative a few days ago. Help !!!!