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A member asked:
Hi do they date due date by crl in early ultrasound is that how they get the due date?
A doctor has provided 1 answer
LMP: The most accurate way of assessing a person's due date is by providing an accurate date of the last menstrual period. When that is not available then a number of factors can contribute to estimating due date. This includes measurements of the uterus and measurements of the fetus at various locations.
Answered 7/16/2013
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Ik its 2014, and my due date was feb 9,2013. On august 14 2012 i got an ultrasound an measured 14w3d. How many days off can a ultrasound b this early.
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