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A member asked:
Can you tell me how precise are ultrasounds about fetal weight?
A doctor has provided 1 answer
See below. : They are pretty accurate. Any variations will be due to operator dependence, how accurately measurements were taken and position of the fetus. Measurement/weight charts were developed over many years, by several different studies, all showing some degree of difference. Although not 100% dead on, ultrasound determination of weight should be considered as the most accurate guesstimate.
Answered 7/16/2014
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