Just need some reassurance

cclc • Married 6/13/15. Baby boy 4/30/16 😇 June 2018 😇 October 2018 😇 November 2018. Diagnosed with MTHFR and Factor 13. Expecting our 🌈 in 2/20/20 👶🏻Currently on progesterone and blood thinner injections

I’ve had three miscarriages since June ‘18. All within 8 months. First was a blighted ovum at 7.5 weeks. Second was a chemical two months later and then I got pregnant right after and had a miscarriage at five weeks. Which was the weirdest miscarriage. They did quants every other day. They were doubling beautifully. My symptoms were there. My pregnancy tests were so strong the control line was gone. But when I got a high risk ultrasound done at 5w2d there was no sign of pregnancy. I don’t know how it was possible. I spotted for two weeks before bleeding. That was in November. My periods have been extremely light with mostly spotting since then. Mt doctor is going over the results of my blood tests to see if I have any clotting or immune disorders. Has anyone ever had that test done and found something? Or anyone not have anything and still had a successful pregnancy? I have a three year old boy. I got pregnant with him first try right after I stopped my birth control and it was the most boring pregnancy ever. Although delivery was traumatizing. It was 27 hours. Two failed epidurals. Emergency c section due to having a fever and I lost more than half my blood and needed a transfusion. :/