Health characteristics and outcomes of two randomized vitamin D supplementation trials during pregnancy: A combined analysis

▸ Two randomized clinical trial pregnancy vitamin D datasets were combined for analysis. ▸ No differences in baseline 25(OH)D were noted between groups. ▸ Maternal/cord blood 25(OH)D greatest in 4000 IU group. ▸ Comorbidities of pregnancy were strongly associated with vitamin D status.