Bleeding - 6wks1day

Just started bleeding last night, it was red and there was a blood clot. I'm currently 6 weeks and 1 day today. I woke up this morning and I'm still bleeding😨 It's not heavy but I do have slight back cramps. Is this something to worry about? First time mom here and after TTC for 2 years, I just want everything to be good! My first appointment is Tuesday morning!