Journal
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
Volume 94, Issue 10, Pages 3696-3699Publisher
ENDOCRINE SOC
DOI: 10.1210/jc.2009-0789
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Background: Most children born small for gestational age (SGA) normalize their body size by late infancy. Between 2 and 6 yr, such SGA children develop higher circulating levels of insulin, lower levels of adiponectin, and more visceral fat than appropriate-for-gestational-age (AGA) controls, even in the absence of overweight. Here we report on their further course between 6 and 8 yr. Study Design and Population: Longitudinal study over 2 yr comparing data from 32 AGA vs. 32 SGA children, matched for gender, height, weight, and body mass index at the age of 6 yr. Main Outcomes: Fasting insulin, dehydroepiandrosterone sulfate (DHEAS), SHBG, high-molecular-weight (HMW) adiponectin, leptin, IGF-I; body composition by absorptiometry; and abdominal fat partitioning by magnetic resonance imaging. Results: Between 6 and 8 yr, novel AGA-vs.-SGA divergences emerged (higher DHEAS and lower SHBG in SGA; P < 0.001), and some earlier divergences widened further(HMW adiponectin, visceral fat; P < 0.001), whereas others stabilized (fasting insulin, IGF-I). At age 8 yr, the most discerning features of SGA children were a high ratio of visceral over sc fat in the abdominal region (69% of SGA children), HMW hypoadiponectinemia (41%), fasting hyperinsulinemia (34%), and elevated circulating IGF-I levels (31%). Conclusion: SGA children with spontaneous catch-up growth develop relatively high DHEAS and low SHBG levels and become more often HMW hypoadiponectinemic and viscerally adipose between 6 and 8 yr of age. (J Clin Endocrinol Metab 94: 3696-3699, 2009)
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