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Relationship between 25-hydroxy vitamin D and insulin resistance in pregnant women with gestational diabetes mellitus and its significant |
FU Dan |
Department of Obstetrics and Gynecology, General Hospital of Fushun Mining Bureau, Liaoning Province, Fushun 113008, China |
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Abstract Objective To investigate the relationship between 25-hydroxy vitamin D (25OHD) and insulin resistance in pregnant women with gestational diabetes mellitus (GDM) and its significance. Methods From April 2015 to August 2017, 98 cases of pregnant women diagnosed with GDM in General Hospital of Fushun Mining Bureau were selected as study group, 98 cases of normal pregnant women in the same period were selected as healthy control group. The serum levels of lipids, fasting blood glucose (FBG), fasting insulin (FINS), and 25OHD were detected, the insulin sensitivity adipokines retinol binding protein 4 (RBP4) and Visfatin level of pregnant women in two groups were measured, insulin resistance index (HOMA-IR) was counted, the relationship between 25OHD and HOMA-IR, RBP4, Visfatin were analyzed. Results Level of TG in the study group was significantly higher than that of the control group, the difference was not statistically significant (P < 0.05), while the levels of TC, HDL-C and LDL-C between two groups were not significantly different (P > 0.05); levels of FBG, FINS and HbA1c in the study group were significantly higher than those in the control group, the differences were statistically significant (P < 0.05); level of 25OHD in the study group was significantly lower than that in the control group, levels of HOMA-IR, RBP4 and Visfatin in the study group were significantly higher than those in the control group, the differences were statistically significant (P < 0.05). Correlation analysis showed that, 25OHD level was negatively correlated with levels of HOMA-IR, RBP4, Visfatin (r = -0.916, -0.526, -0.153, all P < 0.05). Conclusion Insulin resistance of pregnant women with GDM is closely related with serum 25OHD level, and therefore vitamin D supplementation for pregnant women may have a positive effect in alleviating insulin resistance, reducing related adipokines, and preventing gestational diabetes, it is worthy of further research.
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