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 what does it mean?  



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Author4 Posts
  #1

"Accuracy of gestational dating is +\-5 days at less than 12 weeks and +\-7 days between 12 and 18 weeks."?
could you please explain it ?
thanks




  #2

is it about ultrasound?


  #3

yea , what is it? the wheel, Naegle's rule or Ultrasound???disapprovaldisapproval


  #4

Accuracy of gestational date decrease with "gestational age" so the most accurate date is that from first US.





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