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A member asked:

Can a 12 week fetus (62mm) be mistaken for a 10 week fetus? or is this outside range of error?

A doctor has provided 1 answer
Dr. Stephen Pappachen answered

Specializes in Obstetrics and Gynecology

Sure: All tests have ranges of error based on scales used, who's doing it (operator), equipment, etc...

Answered 3/16/2013

5.2k views

Thank

Related Questions

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28 week ultrasound showed asymmetric brain ventricles on fetus.. Within normal range (7-8mm) Everything else ok. Should I be worried?

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My fetus had a heart rate of 171 BPM at both 8 and 11 weeks. Is this a healthy fetal heart rate at 11 weeks? My baby book says normal range is 120-160

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Does 1st trimester ultrasound have margin of error up to 7 days because of the equipment/skill of tech or because fetus can grow at dif rates?

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Lab range for HCG values on report states gestational age 0.2-1 week expected range 50 -500, 1-2 weeks 100-5000, 3-4 weeks 500-10000. Is this fetus age not gestational (ieLMP dated) age given first 2 wks are leading up to ovulation ie no HCG produced?

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What effect would tpo's in the 2, 000 range have on the fetus of a maternal pregnancy on a long term outcome for child developement?

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People also searched for:

Doctor said that a 12 week fetus couldn't be 2 weeks off and confused with an 8 or 10 week fetus.Is there not a range of error with ultrasounds?
If you have a 12 wk u/s and it reads 12 wks+4days, and if there is an 11 day range of error, wouldn't there be a different measurement of the fetus?
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