Don't give up hope yet, at least your hcg levels are doubling which is a good sign. Maybe it's just a little too early to see anything yet. I know when I was pregnant before I had a miscarriage at 7 weeks. I still seen a sac, but no baby... Keep me updated as to what happens, and best of luck to you.
Will you go back for another U/S and have your levels checked again? I would not give up hope until there is no more. What did your Dr. say about this? I hope that everything turns out great for you, i'll say a prayer for you and let us know.
I agree with Jen I wouldn't throw the towel in yet. I don't want to give you false hope but with this pg I had slow rising hcg levels and had to go back twice to see the hb. At the time they were off on my dates but now my due date is 5 days ahead than the original one and will be most likely changed again. You just never know with pregnancy that is my new motto since this pg. I have never seen anything like it in my life. Hang in there. Best wishes to you and keep me posted....
AP
No don't let go. I'd wait a little longer.
I went in and had an u/s done at around 6 wks, and there was nothing but a sac. I was stressing out b/c I had already had an m/c. I went back 2 wks later and we saw the little bean, and the flutter of the heart.
It could still just be too early.