Possible miscarriage

Went in for our 2nd ultrasound, 7 weeks 1 day and they said it will probably end in a miscarriage. The baby grew but not enough she said and there was a flicker of a heartbeat but we couldn’t hear it. I’ll post last weeks and this weeks. Last week my HCG was 40,000 and my progesterone was good at 30 so I’m confused. Has anyone else been told this and they actually were just a week behind?

6 weeks 1 day

7 weeks 1 day