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Fetal Weight from Abdominal Circumference, Head Circumference and Femoral Diaphysis Length

Specialty:

Obstetrics & Gynecology
Pedatrics

Objective:

ICD-10:

Description:

The use of three parameters can offer improved accuracy when compared to equations using one or two parameters. Head circumference has advantage over biparietal diameter, as the head circumference tends to remain constant even when head shape and cephalic index change. Femur length has the advantage of accurately reflecting fetal growth patterns. The equation of Weiner (1985) is accurate for preterm and low birth weight infants.

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