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Sex-specific charts for abdominal circumference in term and near-term Caucasian newborns

  • Gerardo Rodríguez , Ma Pilar Samper , Purificación Ventura and José Ma Pérez-González
Published/Copyright: July 24, 2008

Abstract

Aims: Abdominal circumference (AC) assessment may be used as an index of abdominal visceral size, fetal fat store, and intrauterine nutrition. The aim of this study is to construct sex-specific references and smoothed percentiles for AC at birth in term and near-term Caucasian infants.

Methods: AC was measured in 4542 singleton newborns (2323 males, 2219 females), at a gestational age ≥35 weeks. Smoothed percentiles for AC were constructed by sex and gestational age according to the LMS method.

Results: Males had higher AC than females but differences were only statistically significant beyond 37 weeks. AC increased from 35 to 41 weeks in both sexes.

Conclusions: Sex-specific references constructed for AC in term and near-term Caucasian newborns might be used, as other anthropometric parameters, in the assessment of nutritional status at birth.


Corresponding author: Gerardo Rodríguez Departamento de Pediatría Radiología y Medicina Física Facultad de Medicina Universidad de Zaragoza C/ Domingo Miral s/n 50009 Zaragoza, Spain Tel.: +34 976 761 724/+34 976 761 725 Fax: +34 976 761 726

Received: 2008-2-7
Revised: 2008-5-4
Accepted: 2008-6-18
Published Online: 2008-07-24
Published Online: 2008-7-24
Published in Print: 2008-11-01

©2008 by Walter de Gruyter Berlin New York

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