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Femur Length to Abdominal Circumference Ratio

Specialty:

Obstetrics & Gynecology
Pedatrics

Objective:

ICD-10:

Description:

The ratio of the femur length to abdominal circumference is constant in the normally growing fetus from 21 weeks of gestation to term, being independent of menstrual age. An increase in the ratio above normal can be seen in fetuses who are small for gestational age.

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