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Associations of maternal type 1 diabetes with childhood adiposity and metabolic health in the offspring: a prospective cohort study – published online 14/07/2018

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Anitha Pitchika, Manja Jolink, Christiane Winkler, Sandra Hummel, Nadine Hummel, Jan Krumsiek, Gabi Kastenmüller, Jennifer Raab, Olga Kordonouri, Anette-Gabriele Ziegler, Andreas Beyerlein

Children exposed to increased glucose levels in utero may carry additional risks for being overweight and having impaired metabolic health. However, there is only scant evidence from previous studies to support worsening of metabolic health in children of mothers with type 1 diabetes, and potential pathways have not been investigated in detail. In this issue, Pitchika et al (https://doi.org/10.1007/s00125-018-4688-x) report findings from three large studies that examined nearly 2800 children with a first-degree relative with type 1 diabetes. The authors found that children of mothers with type 1 diabetes had a higher risk for being overweight and had increased insulin resistance during childhood and adolescence compared with children of mothers without diabetes. Higher birthweight may partially contribute to this association, but changes in the offspring’s metabolome are unlikely to be part of the causal pathway. These findings indicate that children exposed to maternal type 1 diabetes may need closer attention to combat overweight and metabolic risk in later life.

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