So paranoid. How to stay calm?

Question

I am now 11 weeks!! That in itself is exciting, but you throw in a few miscarriages, all before 11 weeks, and the fear of things going wrong is immense. 
My 12 week scan is booked for 18th December and I have no reasons to doubt this pregnancy is going well but there is so much pressure of what ifs? 
What if I let everyone down again? Including myself.
What if the scan doesn't give us the answers we want?
I do try and think logically but I am a very emotional person - diagnosed with borderline personality disorder - and I am really struggling to keep things together.
What do you all do to calm your fears?
TIA x

Answer

Search for a midwife and TALK TO HER!!! She will ease your mind and soul maybe much more than a doc will do.

Answer

I had 2 previous miscarrages. One at 17 weeks the other a blighted ovum. My dr gave an ultrasound first apt to calm my nerves. And then I still just couldn't help but be scared and anxious , and maybe a little paranoid that something would go wrong. So I bought a fetal Doppler. It was only $50. It picked up baby's heartbeat at 10 weeks! I listen about every other day to reassure myself everything is okay in there. It has definitely helped me with my worry issues!