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Relationships of Maternal and Paternal Anthropometry With Neonatal Body Size, Proportions and Adiposity in an Australian Cohort

Pomeroy, E, Wells, JCK, Cole, TJ, O'Callaghan, M and Stock, JT (2014) Relationships of Maternal and Paternal Anthropometry With Neonatal Body Size, Proportions and Adiposity in an Australian Cohort. Amercian Journal of Physical Anthropology, 156 (4). pp. 625-636. ISSN 0002-9483

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Abstract

The patterns of association between maternal or paternal and neonatal phenotype may offer insight into how neonatal characteristics are shaped by evolutionary processes, such as conflicting parental interests in fetal investment and obstetric constraints. Paternal interests are theoretically served by maximizing fetal growth, and maternal interests by managing investment in current and future offspring, but whether paternal and maternal influences act on different components of overall size is unknown. We tested whether parents' prepregnancy height and body mass index (BMI) were related to neonatal anthropometry (birthweight, head circumference, absolute and proportional limb segment and trunk lengths, subcutaneous fat) among 1,041 Australian neonates using stepwise linear regression. Maternal and paternal height and maternal BMI were associated with birthweight. Paternal height related to offspring forearm and lower leg lengths, maternal height and BMI to neonatal head circumference, and maternal BMI to offspring adiposity. Principal components analysis identified three components of variability reflecting neonatal “head and trunk skeletal size,” “adiposity,” and “limb lengths.” Regression analyses of the component scores supported the associations of head and trunk size or adiposity with maternal anthropometry, and limb lengths with paternal anthropometry. Our results suggest that while neonatal fatness reflects environmental conditions (maternal physiology), head circumference and limb and trunk lengths show differing associations with parental anthropometry. These patterns may reflect genetics, parental imprinting and environmental influences in a manner consistent with parental conflicts of interest. Paternal height may relate to neonatal limb length as a means of increasing fetal growth without exacerbating the risk of obstetric complications. Am J Phys Anthropol 156:625–636, 2015. © 2014 The Authors American Journal of Physical Anthropology Published by Wiley Periodicals, Inc.

Item Type: Article
Uncontrolled Keywords: 0603 Evolutionary Biology, 1601 Anthropology, 2101 Archaeology
Subjects: Q Science > QH Natural history
Q Science > QH Natural history > QH301 Biology
Divisions: Natural Sciences and Psychology
Publisher: Wiley
Date Deposited: 11 Apr 2018 08:36
Last Modified: 11 Apr 2018 08:49
DOI or Identification number: 10.1002/ajpa.22680
URI: http://researchonline.ljmu.ac.uk/id/eprint/8448

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