While associations of vitamin D deficiency with type 2 diabetes have been well demonstrated, investigations of vitamin D and risk of gestational diabetes mellitus (GDM) reported inconsistent findings. We examined associations of vitamin D status with GDM.In a nested case-cohort study (135 GDM cases and 517 non-GDM controls), we measured maternal serum vitamin D status (total 25[OH]D and 25[OH]D3 ) in early pregnancy (16 weeks on average) using liquid chromatography-tandem mass spectroscopy. GDM was diagnosed according to the American Diabetes Association guidelines. We calculated adjusted odds ratios and 95

作者：Dodie L, Arnold；Daniel A, Enquobahrie；Chungfang, Qiu；Jonathan, Huang；Nancy, Grote；Ann, VanderStoep；Michelle A, Williams

来源：Paediatric and perinatal epidemiology 2015 年 29卷 3期