A 43-year-old member asked:
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does transvaginal ultrasounds tell you date from conception?

1 doctor answer
Dr. J. David Prologo
19 years experience Interventional Radiology
Yes: Yes. Well, as close as possible. The "estimated gestational age" will give you a range based on the size of the fetus, usually +/- less than a week.
Answered on Oct 9, 2013
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A 37-year-old member asked:
Dr. Stacy Yamasaki
33 years experience Radiology
Pretty good: The dating is accurate to about a week as long as the sonographer can see the baby early on. The due date though is really variable.
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A 31-year-old female asked:
Dr. Mary Bergum
19 years experience Family Medicine
US dating: The earlier the ultrasound the better the dates.
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A 25-year-old female asked:
Dr. Jay Bradley
17 years experience LASIK Surgery
Baby size: Dates are based on size measurements of baby and back calculated.
A 29-year-old female asked:
Dr. D Elan Simckes
32 years experience Fertility Medicine
Conception: If the quality of the imaging is good I do not believe that conception can be calculated and will be off by no more than three or four days at the ver ... Read More
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