So scared...

I just got a faint line on a first response test. Period is due Sunday so I am 3/4 days early

testing... This is our 6th month trying. Last cycle we got a BFP (several

actually, I tested a few times). I got them the day the period was due and the day after. But 3 days later I started bleeding, attended the doctor and then the early pregnancy unit who confirmed I had lost it. I am just so scared now, I really hope there is a healthy little baby starting to grow inside! I am wondering should I go ahead and go to the doctor? They are able to take me the day after tomorrow? Or will I wait until Monday when my period would be a day late? I am happy it’s looking positive but scared to be excited after last time 😢