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A member asked:
If someone had early ultrasound at six weeks determined conception date to be december 6, 2012 is that date accurate and how many days can it be off?
A doctor has provided 1 answer
Varies: I would say that us can be off by a few weeks sometimes especially early on in pregnancy evaluation. You might want to see if OB wants to repeat us later to see if dates are correct.
Answered 2/1/2015
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