Implantation bleeding

Jessica

I started bleeding medium yesterday but it was brownBlack but when I wipe it’s sometimes bright red to pink I’m on day 2 and it seems to be ending and light and I started 4 days early then my normal period date did anyone experience this and ended up pregnant I took i prego test it seems to be a shadow in timeline idk what to think someone tell me something pls and I’m not having any severe cramping I’m currently 16 dpo