A 28-year-old female asked:
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do doctors go by gestational age or conception date during ultrasounds? my dates are off by about a week and a half.

1 doctor answer
Dr. Edward Druy
52 years experience Radiology
Gestational age: Ultrasound is more accurate in determining gestational age than the date of your last period.
Answered on Aug 17, 2013
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Related questions:

A 25-year-old female asked:
Dr. William Jenkins
Specializes in Anesthesiology
Gestational age: is used for convenience but not accurate because based on last menstrual period not ovulation or fertilization
A 42-year-old member asked:
Dr. Deborah Smith
34 years experience Fertility Medicine
Internet: Go to this website it will help you figure it out http://www.Babymed.Com/conception-calculator.
A 46-year-old member asked:
Dr. Grant Linnell
23 years experience Radiology
Equation: Typically, the crown rump length is used to calculate gestation age and edc or estimated date of confinement(the delivery date). This can be used, how ... Read More
A 23-year-old female asked:
Dr. Gerard Honore
28 years experience Fertility Medicine
US: First trimester ultrasound is based on biometric measurements only, the embryonic crown-rump length, which is extremely reliable when done by a skille ... Read More
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