Fetal Pole w/No Heartbeat

Had what should have been a 7-9 weeks US today. I have spotted a few times today. The baby is measuring a week late at about 6 weeks and while there a sack and fetal tube there was no heartbeat. They said there’s a small chance it could be too early and a large chance it’s the beginning of a miscarriage. This would be my 3rd MC. I’m not very hopeful. Anyone else have a similar story with a viable pregnancy?