yes wait.. people have seen a hb after they were told to get a d and c at 6 weeks.. good luck
I agree with adgal. So sorry you are going through this and definitely get a follow-up US before going through with a D&C.
Take care.
I am so sorry you are going through this. At this point all you can really do is wait and see. Request a follow up ultrasound in a week or two. I will keep you in my thoughts and prayers.