I'm scared

Lovely • IG: MakingBabyDay TTC #4. Sept 2014 tubal reversal. Feb 2016 HSG: blocked tubes. May 2016 IVF: failed. Aug 2016 BFP turned to 4th loss

So I've been testing since the 26th af was due 25th, I've been getting faint lines but I thought the test would be darker by now but it seems lighter ? you think it was chemical? Did this happen to you?? My doc can't see me until next week

The one on the left is today, yesterday is on the right