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A member asked:
I'm freaking out now! my first trimester due date was 6/23/13 now i'm in second trimester and it changed to 6/20/13, which one is more accurate?
A doctor has provided 1 answer
First trimester: First trimester dating is more accurate than second trimester dating. The estimated dates of june 20, june 21, june 22, or june 23 are about the same in real life, because real life is never exact.
Answered 12/9/2013
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My first ultrasound was in my late 2nd trimester. How accurate is due date?
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I wanted to know how accurate early ultrasounds (first trimester) are in conception dating? If i was 5 weeks4days 9/23/13 putting conception 25-28 of aug could I have still concieved 7/28/13
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