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Int J Obes (Lond). 2017 Apr;41(4):489-496. doi: 10.1038/ijo.2016.227. Epub 2016 Dec 23.

Association of maternal serum 25-hydroxyvitamin D concentrations in second and third trimester with risk of gestational diabetes and other pregnancy outcomes.

Wen J1,2,3, Hong Q2,3, Zhu L1,2,3, Xu P1,3, Fu Z1,3, Cui X1,3, You L1,3, Wang X1,3, Wu T1,3, Ding H3,4, Dai Y3,5, Ji C1,2,3,6, Guo X1,2,3,6.

Author information

1
Nanjing Maternity and Child Health Care Institute, Nanjing Maternity and Child Health Care Hospital Affiliated to Nanjing Medical University, Nanjing, China.
2
Department of Children Health Care, Nanjing Maternity and Child Health Care Hospital Affiliated to Nanjing Medical University, Nanjing, China.
3
State Key Laboratory of Reproductive Medicine, Nanjing Maternity and Child Health Care Hospital Affiliated to Nanjing Medical University, Nanjing, China.
4
Department of Obstetrics, Nanjing Maternity and Child Health Care Hospital Affiliated to Nanjing Medical University, Nanjing, China.
5
Department of Nutrition, Nanjing Maternity and Child Health Care Hospital Affiliated to Nanjing Medical University, Nanjing, China.
6
Institute of Pediatrics, Nanjing Medical University, Nanjing, China.

Abstract

OBJECTIVES:

To evaluate the maternal serum 25(OH)D concentrations and its association with gestational diabetes and other pregnancy outcomes.zMethods:In our nested case-control study, 4718 pregnancy women were included, who were attending second- and third-trimester screening in Nanjing, China. Serum 25(OH)D concentrations were tested by enzyme-linked immunoassay, and the pregnancy and birth outcomes were obtained via electronic medical record collection and information extraction. The associations of 25(OH)D concentrations with gestational diabetes and other pregnancy outcomes were assessed by logistic regression analysis. And receiver-operator characteristic curve analysis was also conducted.

RESULTS:

For the total population, the median (IQR) concentrations of 25(OH)D was 43.7 (35.5-57.9) nmol l-1, and 63.1% of women had concentrations <50.0  nmol l-1. The 25(OH)D concentrations was significantly lower in gestational diabetes patients than in controls. Moreover, after adjustment for confounders, women with low 25(OH)D concentrations had significantly increased risks of gestational diabetes and some adverse pregnancy outcomes (anemia, macrosomia, abnormal amniotic fluid, and miscarriage or stillbirth). We also observed a threshold for 25(OH)D of 50.0 nmol l-1 for gestational diabetes and a nice predictive accuracy of the 25(OH)D concentrations included panel, with an area under the curve of 0.625 for gestational diabetes.

CONCLUSIONS:

Low 25(OH)D concentrations (<50.0 nmol l-1) in pregnancy was significantly associated with gestational diabetes risk, and it may serve as biomarkers for the surveillance of high-risk pregnant women.

PMID:
28008172
DOI:
10.1038/ijo.2016.227
[Indexed for MEDLINE]

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