Helpp me

Katherine • Katherine 👑😍💦💦 .
I went to the doctor for bleeding and my hcg level was 4800 I'm due October 21 I'm 7weeks buht the doctor said he only sees a 5weeks when he did my ultrasound and also that he didn't see a heartbeat 😓😓😓 I'm so scared I don't know what to do my hcg levels is going up but the baby isn't developing what should I do?