Is this a faint or evap line ..?

Hello everyone. I'm new here, husband and I are trying for a baby. I had an ectopic in July this year which resulted in me losing my left tube. Had a miscarriage in october. I'm always regular with 27 day cycle. My periods last 5 days max. 

12/12/16 I was 3 days late but af came. Lighter than usual. But no more than a pad if I didn't need changing 

13/12/16 nothing except for brown discharge like ewcm .. (Tmi sorry) 

14/12/16 nothing 

15/12/16 brown blood in morning in party liner Now nothing. 

Please help. Driving my self crazy, I just wanna know