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Open Access Research article

Birth and developmental correlates of birth weight in a sample of children with potential sensory processing disorder

Simone V Gill1*, Teresa A May-Benson23, Alison Teasdale23 and Elizabeth G Munsell1

Author Affiliations

1 Department of Occupational Therapy, Boston University, College of Health and Rehabilitation Sciences: Sargent College, 635 Commonwealth Avenue, 02215, Boston, MA, USA

2 The Spiral Foundation, Newton, MA, USA

3 OTA The Koomar Center, Newton, MA, USA

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BMC Pediatrics 2013, 13:29  doi:10.1186/1471-2431-13-29

Published: 25 February 2013

Abstract

Background

Most research examining birth history (i.e. related birth complications) and developmental milestone achievement follow outcomes for infants at-risk with very specific birth weight categories and gestational age classifications. The purpose of this study was to examine how birth weight relates to infants’ birth histories and developmental milestone achievement when they fall into a variety of birth weight and gestational age categories.

Methods

In the current study, we examined birth histories and onset ages for developmental milestones by analyzing a convenience sample of anonymous existing data from 663 developmental histories completed by parents at the time of an initial evaluation at a pediatric outpatient occupational therapy clinic. Infants fell into 3 birth weight categories; low birth weight (LBW), normal birth weight (NBW), and high birth weight (HBW) and 3 gestational age classifications considered with birth weight; small for gestational age (SGA), appropriate for gestational age (AGA), and large for gestational age (LGA).

Results

NBW, AGA, and SGA infants with related birth complications had lower birth weights than infants without birth complications. Larger birth weights were associated with earlier ages for independent sitting for HBW infants, earlier ages for eating solids for NBW infants, and earlier walking onsets for LBW and NBW infants. Higher birth weights were also linked with rolling at a younger age for LGA infants, earlier walking and speaking words for AGA infants, and sooner independent sitting for SGA and AGA infants.

Conclusions

Our findings suggest that birth weight and gestational age categories provide unique insights into infants’ birth history and developmental milestone achievement.

Keywords:
Development; Birth weight; Child