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Changes in total, dietary and supplement nutrient intake and status for (a) folate, (b) vitamin B6, (c) vitamin B12, (d) vitamin D, (e) iron, and (f) diet quality as assessed by the DHD15-index. Values are mean (SEM) and presented in Supplementary Data Table S1. T0 is preconception, T1 is 12 weeks pregnant, and T2 is 24 weeks pregnant.
