Trying not to stress

I've had two miscarriages in a row, so I'm on edge as it is. But today I had some cramping and spotting that turned into bleeding and then back to spotting. I went in for an ultrasound and there's still a heartbeat. I'm only 7w5d and this is the first pregnancy where we've actually seen a heartbeat. I don't want to get my hopes up because I feel like I should expect the worst, especially with my past losses. We also had to say goodbye to one of our fur babies today, so I'm totally drained right now. Tough day.