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A member asked:
Early ultrasounds always accurate? how inaccurate can they be?
3 doctors weighed in across 2 answers
OB Ultrasounds: The early ultrasounds are the most accurate. They should not be considered inaccurate in any way.
Answered 8/27/2013
4.9k views
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Ultrasound dating: First trimester ultrasound is accurate within 5-7 days. There is no test that can date conception more accurately than a 1 week window.
Answered 12/9/2013
4.9k views
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Related Questions
A member asked:
How accurate is an ultrasound at 5 weeks 4 days? I was able to see a heartbeat that early. What is the earliest this can be detected?
A doctor has provided 1 answer
A member asked:
I had a ultrasound at 12weeks my conceive date was may6th and one at 25weeks conceive date may15 which one is more accurate early or later?
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A member asked:
My DueDate is on 11.20.15. I had 4 early ultrasounds that gave me EDD nov 23, 20, 19. When would I have conceived? & how accurate are ultrasounds?
A doctor has provided 1 answer
A member asked:
How accurate is an early ultrasound? On 6/15/18 baby measured 5w6d. Between what dates could conception of happened? LMP 5/5.
A doctor has provided 1 answer
A member asked:
Is an efw via ultrasound of 3lb 9-10oz large for a 30w3d fetus? How accurate is this weight? Edd was confirmed by multiple early ultrasounds.
2 doctors weighed in across 2 answers
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