A member asked:

Which is more accurate. an ultrasound at 5 weeks 5 days or 8 weeks 3 days? what would be the margin of error for the one most accurate?

A doctor has provided 1 answer

Dr. Paul Velt answered

Specializes in Diagnostic Radiology

Both: I'm not sure where you are going. Both dates are very accurate for dating a fetus. The margin of error is about a week

Answered 5/14/2014

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A member asked:

Which is more accurate. an ultrasound at 5 weeks 5 days or 8 weeks 3 days? what would be the margin of error for the one most accurate?

A doctor has provided 1 answer

Dr. Paul Velt answered

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