Question: what are the chances of not hearing baby's heartbeat?
Answer: It is very common to not hear a heartbeat at a 6-week ultrasound scan. In some cases, moms-to-be don't hear their baby's heartbeat until they're 7 weeks pregnant. Not hearing a foetal heartbeat at 6 weeks is normal and there's no reason for worry. The gestational age of your pregnancy may also be inaccurate.