I am 7w5d with LMP 11/7/07 and had a hCG on 12/31/07 that was 34,000 which the doctor said was normal range. Hope this helps since our dates are so similar.
I don't want to get your hopes down, but here is what I know. My level at 7 weeks during my last pregnancy which ended with d&c after missed miscarriage was 47,000. My levels this pregnancy started like:
9dpo=16
11dpo=75
15dpo=381.9
Beyond that date I'm not sure what it is since they haven't continues to test, but I am now 10w4d.
Are you sure that you didn't ovulate late?
HCG levels vary greatly from woman to woman. You could also not be as far as you think. You should request a follow-up blood test to make sure the number is going up. I got my info from
http://www.ohiorepromed.com/hcg_levels.htm
I would definitely go and get a repeat. The only way to tell for sure if everything is okay is to make sure your levels are doubling every 2-3 days. Everyone is a little different when it comes to HCG levels. I was always on the lower end and I am now 24 weeks and everything is fine and some are on the higher end and are fine. The important thing is that it continues to double. I would think your doc would have done a repeat. You can't tell too much off of one test. Also, that level would fall somewhere around the 6th week. You could have ovulated a little later than you think. Are you going to get an u/s on the 8th?