Worried about another ectopic

Tiffany
I had an ectopic in August 2014, first and only pregnancy, lost my left tube. We've been ttc ever since then (after a couple cycles) with no luck. So now I'm due for AF, day 28. I've been anywhere from 26 days to 30 days a couple times, usually 28 though. My boobs are more sore than just pms time, and I have lower back ache. I've been testing on and off for a week and just yesterday had a very faint line and again today. I'm worried because when I was pregnant with the ectopic my lines were very faint around this time too. I'm just scared to go through it again.