Help!!

First appt on friday (16th of nov) at 9:00am im so scarried and worried that the scan will say that i had another incomplete miscarriage i went to the er two days ago and the er doc said i was having a threatened miscarriage and ik it could mean nothing is wrong but it could also mean that i could also lose this baby he didnt say that my 3,000 hcg level was good nor bad for 6wks but also didnt say what the.baby was measuring all he said was that there was a "structure" what tf ever that means im basically clueless til friday but glad to say i havent had anymore blood or anything like that pls keep me and my baby in ur prayers cause my nerves r on edge 😞