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KMID : 0191120140290010084
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Journal of Korean Medical Science
2014 Volume.29 No. 1 p.84 ~ p.89
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Serum Magnesium Level Is Associated with Type 2 Diabetes in Women with a History of Gestational Diabetes Mellitus: The Korea National Diabetes Program Study
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Yang Sae-Jeong
Hwang Soon-Young
Baik Sei-Hyun
Nam Moon-Suk
Lee Kwan-Woo
Park Yong-Soo
Woo Jeong-Taek
Kim Young-Seol
Park Sun-Min
Park So-Young
Yim Chang-Hoon
Yoon Hyun-Koo
Kim Sung-Hoon
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Abstract
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Gestational diabetes mellitus (GDM) is a strong predictor of postpartum prediabetes and transition to overt type 2 diabetes (T2DM). Although many reports indicate that low magnesium is correlated with deteriorated glucose tolerance, the association between postpartum serum magnesium level and the risk for T2DM in women with a history of GDM has not been evaluated. We analyzed postpartum serum magnesium levels and development of prediabetes and T2DM in women with prior GDM according to American Diabetes Association (ADA) criteria using the Korean National Diabetes Program (KNDP) GDM cohort. During a mean follow-up of 15.6±2.0 months after screening, 116 women were divided into three groups according to glucose tolerance status. Ultimately, eight patients (6.9%) were diagnosed with T2DM, 59 patients (50.9%) with prediabetes, and 49 patients (42.2%) with normal glucose tolerance (NGT) after follow-up. The T2DM group had the lowest serum magnesium level (0.65 [0.63-0.68] mM/L) in the postpartum period, but there was no significant difference between the prediabetes group (0.70 [0.65-0.70] mM/L) and the NGT group (0.70 [0.65-0.70] mM/L) (P=0.073) Multiple logistic regression analysis showed that postpartum HOMA-IR was a significant predictor of both prediabetes and T2DM. Moreover, we found that postpartum serum magnesium level was also a possible predictor for T2DM development. Serum magnesium level in the postpartum period may be a possible predictor for T2DM development in women with a history of GDM.
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KEYWORD
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Diabetes, Gestational, Serum Magnesium, Hypomagnesaemia, Prediabetes, Diabetes Mellitus, Type 2
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