Pp bleeding vs Period

Alexius

I'm four weeks pp. My bleeding hasn't been heavy at all. For about a week it was mostly the yellow and brown spotting. Yesterday and today I noticed it has been bright red and much heavier. Still light but I definitely filled a pad today. I'm wondering if this could be a period. I feel fine. With my other two I didn't get my period back for a few months but I never experienced this. I do exclusively breastfeed.