Winter conceptions carry diabetes risk

Women whose babies are conceived in winter are more likely to develop gestational diabetes mellitus, South Australian researchers say.

Their study – investigating more than 60,000 births over a five-year period – confirms a seasonal variation in GDM.

Published in the journal BMJ Diabetes Research & Care, the study found that 6.6% of women who conceived in winter developed gestational diabetes, compared with 5.4% of those who conceived in summer.

Over the course of the study period incidence of GDM actually increased, with 4.9% of pregnancies affected in 2007, rising to

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