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A member asked:
When a doctor says margin of error is 3-5 days in first trimester us are they talking about lmp, due date, or conception date?
A doctor has provided 1 answer
Age of gestation: Age of gestation (age of fetus) is determined by the size of the fetus by us during the first trimester.
Answered 3/21/2019
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Related Questions
A member asked:
Hi doctors i had a ultrasound yesterday it said due aug 29 what is more accurate LMP or ultrasound i need my most accurate conception date please help?
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A member asked:
When does it mean when a doctor considers the LMP due date and conception if the ultrasound is in a 7-10 day agreement with the lmp? Need an example
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A member asked:
What if i don't know my LMP how will a doctor determine my conception date?
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I had a misscarriage at 15weeks in the 2nd trimester. Should i talk to my doctor about ic (cervix) as maybe a cause for the misscarriage?
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A member asked:
If my LMP according to my first US at 9 weeks was a day off from what I told the doctor is there still a 5 day error margin?
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