Need some advice

My partner and I have just started ttc so I came off the mini pill September 10th had a normally period the same day which lasted 5 days with a normal flow. I then had two/three days of brown spotting on the 24th September (when glow said I was ovulating) my period was predicted for the 10th October and I still havent had any sign of AF! I am now 6 days late, I took a test when I was 2 days late and BFN! I am going to take another test but I don’t think I am pregnant is my body just messed up a bit from the pill?