It's not a heart at 6 weeks
It's no more than 10mm long
It's an embyro until 8 weeks
https://www.sciencealert.com/the-fetal-heartbeat-that-can-be-detected-at-6-weeks-isn-t-quite-what-we-think
It's not a heart at 6 weeks
It's no more than 10mm long
It's an embyro until 8 weeks
https://www.sciencealert.com/the-fetal-heartbeat-that-can-be-detected-at-6-weeks-isn-t-quite-what-we-think