Which date should we use?

Question

Ultrasound photo say 7w 1d however, tech stated that we are exactly 6 weeks. Which one should I go by?

Answer

6 weeks. My first scan says 10 weeks because that's what u was estimated to be at that point by lmp but baby was really 8 weeks 4 days. It likely says 7 weeks because that's the estimate by lmp.

Answer

I always go by what the baby is actually measuring at

Which date should we use?

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