A member asked:

With a my first ultrasound being done my doc said i was 14w3d based off ultrasound i didnt have periods just got off depo. how off can dating be?

A doctor has provided 1 answer

8 days: The error in a good ultrasound at 14-15 weeks is plus or minus 8 days. So you could be 13 -15.5 weeks. Best wishes!

Answered 8/20/2014

3.8k views

Thank

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