thanks for the encouragement they only see blood flow in or near the sac no heartbeat i am hoping that even though i new when my last period was that i am a late ovulator and the weeks are just off and thats why they are not seeing anything but my sac had not changed in size since last week. did they ck the size on yours
give it another week or two and have them do another U/S. They could just be off. Your levels don't have to double every 48 hrs. it can take up to 72 hrs.
I had 1 u/s at 4 or 5 weeks showing a tiny sac. and another at 5w6d and saw a TINY blinking heartbeat. I now am holding my 9 week old son Tyler!
Good luck!