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A member asked:

Is an abdominal us at 11wks accurate for dating a pregnancy? what is the range of accuracy? possible to be 4 weeks off? ex measure 11wks but be 15wks?

A doctor has provided 1 answer

No should not be: An 11 week us should be accurate within 1 week either way a the most and usually more accurate than that.

Answered 9/23/2013

4.9k views

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