slow rising hcg

hello, this is my 3rd time posting on here:/ sooo on 12/16 i had my 1st appt thinking i was 6 weeks 2 days. after the ultrasound doctor said i was measuring 5 weeks 4 days and was only able to see the sac and yolk sac😕 had my first blood draw that day and my hcg came back at 9258 yesterday 12/18 i went for my second and it only went up to 10504😭 should i prepare for the worst?? i am so bummed out ☹️ this will be my second loss this year 😭