ESPE Abstracts (2016) 86 P-P1-4

ESPE2016 Poster Presentations Adrenal P1 (48 abstracts)

Prepubertal Children Born Large for Gestational Age have Lower Serum DHEAS Concentrations than those with Lower Birth Weight

Henrikki Nordman b , Raimo Voutilainen a, & Jarmo Jääskeläinen a,


aUniversity of Eastern Finland, Kuopio, Finland; bKuopio University Hospital, Kuopio, Finland


Background: In some studies, prepubertal children born small for gestational age (SGA) have had a higher prevalence of premature pubarche and higher serum DHEAS concentrations than children born appropriate for gestational age (AGA). The overall metabolic risk associated with birth weight is U-shaped, but it is not known if children born large for gestational age (LGA) have elevated serum DHEAS levels.

Objective and hypotheses: The aim of this study was to examine the association between birth size, especially large, and serum DHEAS concentrations.

Methods: A cohort of 49 LGA, 56 AGA, and 23 SGA children were studied at 5–8 years of age. Anthropometric data at birth, at the age of 2 years, and at examination were recorded. Fasting blood samples were collected for serum analyses of DHEAS, IGF1, and insulin concentrations. Children’s physical activity was assessed with a survey. Differences in serum DHEAS concentrations between the three groups were analysed by ANCOVA and predictors of serum DHEAS levels were explored by linear regression analysis.

Results: The LGA children had lower BMI-SDS-adjusted serum DHEAS levels than the AGA or SGA children. Lower birth weight SDS, higher weight gain during the first two years, and higher BMI-SDS at examination predicted higher serum DHEAS concentrations. Higher serum IGF1 but not insulin, and overall physical activity were also associated with higher DHEAS.

Conclusions: The association of birth weight with childhood serum DHEAS concentration is more linear than U-shaped. However, early catch-up growth and childhood weight are even stronger determinants of serum DHEAS levels than birth weight. IGF-1 may be a mediator in this process.

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