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A member asked:
How accurate are my 7 and 9 week ultrasounds if i got the same due date both times and could it be off 12 days ?
A doctor has provided 1 answer
Accurate: The accuracy of a 7 and 9 week ultrasound is within about 3-5 days.
Answered 4/5/2014
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How well is conception date accuracy with ultrasound at 12 weeks? My LMP started on nov.28, 2011 lasting five days. I had an ultrasound on jan.17, 2012 counting me at 7 weeks and 1 day, then another ultrasound on feb.21, 2012...Counting me at 12 weeks exa
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