So I had the tiniest itsy bitsy of spotting yesterday, but accompanied by lower back pain and some minor cramping. Since I have had a miscarriage in the past my OB advised us to go to the ER. Well, they did am ultrasound, and I was exactly JUST at my first day of week six yesterday, and they said all they could see is the gestational sac. They said it could just be too early to see anything else, or I could be about to miscarry. Has this ever happened to someone, where all they saw was that on a 6 week ultrasound? I am supposed to wait a whole week until week 7 now to get another ultrasound done, hopefully then we'll hear a heartbeat? I'm so confused.