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A member asked:

My due date is aug 7 according to 11 week ultrasound and 24 week ultrasound. what is the accuracy of these ultrasounds and conception day?

A doctor has provided 1 answer
Dr. Dale Kristle answered

Specializes in Gynecology

+/- 1 week: The accuracy of an 11 week ultrasound should be +/- 1 week.

Answered 6/18/2014

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