HCG levels after D&C

Hi all! We lost our first pregnancy and I had to have a D&C a week ago today. I bled a lot during the procedure per my doctor and that day but haven't had any bleeding since. My doctor is concerned that I was still showing levels of Hcg in my urine so she did a blood draw Monday and I was 1695 (5 days post op). She did another today to see if my levels have dropped. I know sometimes it can take a while for it to go to zero. Has anyone had levels that high 5 days out? Thanks!