Could I still be pregnant? So confused

Amber
So I was a few days late on my period it was suppose to come the 26th never did and when I was 6dpo super light pink when I wiped after I peed and today again but a little more not much though so I thought I was starting my period put in a tampon at about 12 pm and took it out to change it and it was brown not heavy just on one side of tampon idk I have never had this I always start in the morning super heavy I'm not having my period stomach feeling a little nausea so idk has anyone had this? And was pregnant?