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2016
DOI: 10.5468/ogs.2016.59.2.91
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Simple mathematical formulae for estimation of median values of fetal biometry at each gestational age

Abstract: ObjectiveThe aim of this study was to propose simple mathematical formulae to estimate median values of fetal biometry including biparietal diameter (BPD), abdominal circumference (AC) and femur length (FL) at each gestational age (GA) easily without looking up the previously established reference values.MethodsSimple mathematical formulae to estimate median values of fetal biometric values at each gestational week were inferred. To validate these formulae, three different linear equations were derived from pr… Show more

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Cited by 5 publications
(2 citation statements)
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“…El error de predicción estándar de la EG obtenido de un modelo de múltiples variables ha demostrado ser menor al obtenido cuando se utiliza una sola variable. Esto coincide con resultados de otros autores que recomiendan que la estimación ecográfica de la EG debería ser el resultado de la combinación de diferentes mediciones biométricas fetales (5,(26)(27)(28)(29) .…”
Section: Resultsunclassified
“…El error de predicción estándar de la EG obtenido de un modelo de múltiples variables ha demostrado ser menor al obtenido cuando se utiliza una sola variable. Esto coincide con resultados de otros autores que recomiendan que la estimación ecográfica de la EG debería ser el resultado de la combinación de diferentes mediciones biométricas fetales (5,(26)(27)(28)(29) .…”
Section: Resultsunclassified
“…Fetal abdominal circumference, head circumference, biparietal diameter, and femur length were measured by ultrasound, and the estimated fetal weight was calculated using the Hadlock formula. FGR was defined as a fetal mass below the 10th percentile of the average weight of a normal fetus of the same gestational age [ 10 ]. The exclusion criteria were as follows: FGR resulting from a clear maternal cause, such as hypertensive disease during pregnancy, maternal infection, or maternal nutritional abnormalities.…”
Section: Methodsmentioning
confidence: 99%