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A member asked:
What is the error of margin for an ultrasound dating at 11 week 4 day, measuring the fetus crl at 4.8 cm?
A doctor has provided 1 answer
Plus or minus, 5 day: The margin of error at that gestational age is typically + or minus 5 days. That crl is definitely normal for that gestational age.
Answered 9/7/2019
4.5k views
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