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Hemet, CA
A 22-year-old female asked:

What is the error of margin for an ultrasound dating at 11 week 4 day, measuring the fetus crl at 4.8 cm?

1 doctor answer2 doctors weighed in
Dr. Jane Van Dis
Obstetrics and Gynecology 20 years experience
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.
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Last updated Sep 7, 2019

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