Am I going to miscarry?

I am 4 weeks pregnant. (So super super early) I got pregnant naturally but I have severe endometriosis. Had surgery in January 2018. Google is the DEVIL and tells me my chances of miscarriage are 80% and more awful information.

1. I am NEVER touching goggle again.

2. Has anyone conceived naturally with endo and had a healthy pregnancy?

3. My dr. appointment is next Tuesday. Do I try to move it up or is that just pointless?