A member asked:

How inaccurate is a pregnancy ultrasound done at 14 weeks?

2 doctors weighed in across 2 answers
Dr. Jeff Livingston answered

Specializes in Obstetrics and Gynecology

5-7 days : Very accurate with a 5-7 day margin of error in skilled hands.

Answered 3/17/2013

5.2k views

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Dr. Mitchell Schuster answered

Specializes in Urogynecology

Pretty accurate. : Depends on the sonographer and whether it was vaginal or abdominal u/s but at that point in pregnancy for dates it will be pretty accurate usually.

Answered 8/5/2015

5.2k views

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