Is there even a point????

I’ve been having consistent cramping that feels like AF cramps. Not severe and I’m not bleeding or spotting.... but it’s scaring me since I’ve had a miscarriage. I have an appointment in 7 days to see if my HCG levels are rising but I’m too anxious to wait 7 days. Should I call and make an earlier appointment and still keep the other one???? Would it even be worth it???? I’m just so anxious :(