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A 19-year-old female asked:

can ultrasounds be wrong at 14 weeks & 3 days pregnant about the conception date, if so, how wrong are they?

1 doctor answer1 doctor weighed in
Dr. Bruce J. Stringer
Radiology 47 years experience
Depends: If the result of a first sono reports a 14wk3d result, the degree of uncertainty around those dates would be 7-10 days at most. More details?

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Last updated Apr 27, 2013
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