1st scan low heartbeat 💗

Fi

Hey guys! So this is my second pregnancy after a loss in September at 7weeks 4days. I had no period in between so Wednesday 11/22 I went in for a dating scan. They found the baby and everything looked fine and I measured in at 6wks 1 day. They seen a heartbeat but told me it was “low” the dr assured me everything should be fine and to come back in 2 weeks to check to see how things have progressed. They never told me a number just that it was still early in my pregnancy and the heart could have just started to beat but everything looks fine for how far along I am. With that being said I’m a nervous wreck!! I can’t help but worry and Idk what to do to put my mind at ease. Anyone with a story like mine that could offer some reassurance?