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Farmingdale, NY
A 30-year-old female asked:

My fetus measure 6.5 cm crl,13 weeks and 158 heart rate.how much the ultrasound can be off ?

1 doctor answer2 doctors weighed in
Dr. Asha Kamnani
Obstetrics and Gynecology 44 years experience
5 to 7 days: Ultra sounds in the first trimester is pretty accurate.

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Last updated Jul 9, 2014

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