Implantation bleeding?

Shannon • 🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸

So about two days ago I got some light bleeding (I say light because I have a HF). It was kind of browning and enough to make me think it was the beginning of AF. The following day it was extremely light and today there hasn't been any. My period still isn't due for another 5 days. Thinking it's implantation may be just really hopefully, but if it turns out that isn't what it is, what could it be