First ultrasound nerves

Next Friday we have our first 🌈 ultrasound at 7w 4d (based on LMP). I went for an appointment and had a pelvic and everything seems to be going ok, but I had a miscarriage the end of January so they want to get me in for an ultrasound to “hopefully give me good news” so they know how to proceed in my care. I’m terrified they won’t see or hear a heartbeat or I’ll go in and find out something is wrong with the baby and I has no symptoms leading up to it. Last pregnancy, I spotted and went in for an ultrasound and found our my baby had passed at 6.5 weeks when it should have been 9. I don’t want my heart broken again.

Why can’t I enjoy this pregnancy? Why do I always think something will go terribly? Is anyone going through this?