Hey, I know how you feel. I am pregnant with my first. I also have a hormone imbalance (though docs can't figure out what) that makes me not ovulate. Having a hormone imbalance, like in PCOS (what I've been diagnosed with), makes me have a higher chance of MC. In fact, I DID have a MC a little over a year ago. I was constantly afraid this pregnancy would end badly....
What helped me was the realization that most MC will happen because of a chromosomal abnormality vs anything I do. It wouldn't be my fault. It also helped knowing that if a MC were to happen there is nothing any medical professional could do to prevent it from happening. What will happen will happen regardless. Knowing everything is out of my control helped me calm down because.... why bothering worrying over something I have no control over? I became less stressed with the realization that as of today... I am pregnant. Today... I am healthy and statistically so is my baby.
Do I still get stressed and anxious that something is wrong? Every day. I'm always poking my boobs, checking the toilet paper when I wipe, and overanalyze every little twinge I feel. But the anxiety is under control.
It also helped me knowing my best friend has been through a MC and knows my risks, etc. I can always talk to her.
I won't tell you not to stress, that's impossible. I will tell you to rejoice, because today you are pregnant!
) but try to relax. Try to enjoy every moment of the pregnancy ^^ 
