help. Saturday I went to the ER for mild bleeding and my HCG levels were 6,800.. and I seen my babys…

help. Saturday I went to the ER for mild bleeding and my HCG levels were 6,800.. and I seen my babys heartbeat. bleeding has increased since. today I went to the drs and my HCG was only 8,500 and now I have a bright red steady flow. no cramps just heaviness down there like when your on your period. I have an ultrasound tomorrow to see if they notice any difference. please please help me. I'm so afraid. also I'm 7 weeks