Yesterday I was 6dpo and when I wiped later in the day I had a light brownish discharge, similar in color to when I get my period but different in consistency. Nothing more today. I did take a pregnancy text yesterday and got a bfn but it's only 6dpo and it wasn't fmu. Could this be implantation bleeding? Also, I NEVER get sick and I woke up with a bad sore throat and cold yesterday. What do you all think? TTC #1 so this is all new to me!

UPDATE: it's now three days later and I'm still sick and super wiped out. I got another BFN today but I'm still only 9 DPO and (once again) not FMU. Later on in the day my legs and knees got suuuuuuuper achy, almost to the point where I couldn't stand. And I had a lot of CM discharge right before bed. Am I just trying to find signs when there isn't anything to find?