False negatives ??


So I was spotting 10 dpo ... at 11 dpo I decided to take a pregnancy test (first response ) and it came back negative. At 12 dpo i woke up with a small red rash on my tummy which no clue where it’s from!? Not itchy or anything then I spotted again but lighter this time than I did on the 10th very pink, today at 13 dpo I have a very stuffy nose and pretty congested !! Af is due tomorrow , do you think maybe I took the test a little early or being a first response ?? I hear they aren’t the best?? Should I try again in two days if I do not get period tomorrow !?

(First time spotting) n