Please someone help :(

I had to go hospital this morning as was proper bleeding bright red blood including cramps and little blood clots my hcg levels have only gone upto 4,000 when they should have doubled from Monday when I had my blood test done! I'm 2,000 down :( am I losing this baby or not? My hcg levels Monday were 3,146 and they're only 4,000 now and they should be over 6,000 I'm losing my baby aren't I :(