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Connection of Maternal Folate and Supplement Bseveral in early Maternity That have Gestational All forms of diabetes Mellitus: A potential Cohort Data
Association away from Maternal Folate and Nutritional B12 in early Pregnancy Which have Gestational Diabetic issues Mellitus: A possible Cohort Study
Xiaotian Chen, Yi Zhang, Hongyan Chen, Yuan Jiang, Yin Wang, Dingmei Wang, Mengru Li, Yalan Dou, Xupeng Sun, Guoying Huang, Weili Yan; Association of Maternal Folate and Vitamin B12 in Early Pregnancy With Gestational Diabetes Mellitus: A Prospective Cohort Study. Diabetes Care ; 44 (1): 217–223.
The data of this study were from a subcohort within the Shanghai Preconception Cohort Study. We included pregnancies with red blood cell (RBC) folate and vitamin B12 measurements at recruitment (between 9 and 13 gestational weeks) and those with three samples available for glucose measurements under an oral glucose tolerance test. GDM was diagnosed between 24 and 28 weeks’ gestation. Odds ratio (OR) and 95% CI of having GDM was used to quantify the association.
A total of 1,058 pregnant women were included, and GDM occurred in 180 (%). RBC folate and vitamin B12 were significantly higher in pregnancies with GDM than those without GDM (P values were 0.045 and 0.002, respectively) and positively correlated with 1-h and 2-h serum glucose. Daily folic acid supplementation in early pregnancy increases the risk of GDM; OR (95% CI) was 1.73 (1.19–2.53) (P = 0.004)pared with RBC folate <400 ng/mL, pregnancies with RBC folate ?600 ng/mL were associated with ?1.60-fold higher odds of GDM; the adjusted OR (95% CI) was 1.58 (1.03–2.41) (P = 0.033). A significant development of risk effect on GDM risk across categories of RBC folate was observed (Ptrend = 0.021). Vitamin B12 was significantly associated with GDM risk (OR 1.14 per 100 pg/mL; P = 0.002). No significant association of serum folate and percentile ratio of RBC folate/vitamin B12 with GDM was observed. (más…)