I'm also in a similar situation.
My first ultrasound on April 5 measured 6 weeks, 2 days. I went back on April 11 and was measured at 6 weeks 4 days and no heartbeat was detected. The tech wasn't my actual doctor (she was out on delivery) and was extremely cold and refused to do my HCG levels saying "it's pointless" because there wasn't a heartbeat detected. The nurse practitioner wasn't any better. I asked for another ultrasound to be certain and was scheduled for April 17. My doc called the afternoon of April 11 to see how I was doing and explain my options again. She doesn't believe my dates of my LMP, when I had sex or even that my menstrual cycle has been off since I started getting my period as a young girl.
I ended up in the ER last night because my doc told me the gestational sac measured 7 weeks 1 day - where it should have been on 4/11. I told the ER that I thought I was miscarrying even though I didn't have many symptoms of a M/C. They did an ultrasound and found that the baby measured 6 weeks 2 days and there was still no heartbeat (I should have been 7 weeks 3 days at this point). The ER also said an HCG levels test was pointless because there was no heartbeat and I should be further along.
My best friend held me as I stood there in my gown bawling. It took forever to get the results back even though I knew them already. I'm still not cramping or spotting, my breasts are still sore. I still have no signs of a miscarriage - and technically everyone is telling me I have miscarried at just around 6 weeks, 2 or 4 days. I keep hoping that I'll go to the ultrasound on 4/17 to find some miracle - that the baby grew and there's a heartbeat. I have a tilted uterus and a thick skeletal frame, so I keep praying that's the reason why there's these issues. But with as much crying as I've done since last night, the bawling and the questions I keep begging an answer for - I'm sure the medical professionals know what they're talking about.
All I can do is cross my fingers and pray for some miracle in 4 days.
Has anyone else been told that they've definitely miscarried and suddenly two different ultrasound machines were wrong?