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Cord blood insulin-like growth factor (IGF)-1, IGF-binding proteins and adiponectin, and birth size in offspring of women with mild gestational diabetes.

Research paper by Yu Y Kanai, Tomohiro T Kamoda, Makoto M Saito, Satoshi S Fujiyama, Kazunori K Nishimura, Atsushi A Iwabuchi, Yayoi Y Miyazono, Hiromi H Hamada, Ryo R Sumazaki

Indexed on: 15 Jan '16Published on: 15 Jan '16Published in: Early Human Development



Abstract

To clarify the impact of a mild form of gestational diabetes mellitus (GDM) on neonatal birth size, and on insulin-related hormones and adiponectin (AdipoQ) in cord blood.Two hundred and sixteen Japanese pregnant women diagnosed as having normal glucose tolerance according to the JSOG criteria were enrolled. Of the 216 women, 38 women were reclassified into a mild GDM (mGDM) group according to the IADPSG criteria. Of the remaining 178 women, 135 women with normal 50-g glucose challenge test were reclassified into a normal glucose tolerance (NGT) group. Cord blood insulin-like growth factor (IGF)-1, IGF-binding proteins (IGFBPs) and AdipoQ were measured in the offspring of the two groups.Birth weight and its SD scores were larger in the mGDM group than in the NGT group. The incidence of large-for-gestational age (LGA) newborns was higher in the mGDM than in the NGT group. No differences in cord blood free IGF-1, IGFBP-1, IGFBP-2 or AdipoQ levels were observed between the mGDM and NGT groups.Our study suggests that mild GDM reclassified according to the IADPSG criteria influences neonatal birth size, but neither the IGF-IGFBP axis nor AdipoQ can account for the changes of birth size in offspring of women with mild GDM.