Association between maternal serum 25-hydroxyvitamin D level ... [4] Post-hoc comparison of vitamin D status at three timepoints ... [5] Early-pregnancy vitamin D deficiency and risk of preterm ... [6] Associations between 25-hydroxyvitamin D levels ... [7] Vitamin D deficiency in early ... [8] Associations of maternal circulating 25-hydroxyvitamin D3 ... [9] The vitamin D deficiency pandemic: A forgotten hormone ... [10] Vitamin D and Pregnancy ... [11] Vitamins for chronic disease prevention ... [12] Evaluation, treatment, and prevention of vitamin D ... [13] Vitamin D deficiency and insufficiency in ... [14] Vitamin D deficiency in pregnant New Zealand ... [15] Vitamin D status of mothers and their ... [16] High prevalence of vitamin D deficiency in pregnant ... [17] Vitamin D deficiency in Iranian mothers ... [18] Does vitamin D during pregnancy impact ... [19] Vitamin D supplementation in ... [20] Committee Opinion No. 495: Vitamin D: Screening ... [21] The national monitoring system for food and nutrition ... [22] Maternal 25-hydroxyvitamin d and preterm ... [23] Maternal 25-hydroxyvitamin D and parathyroid ... [24] Vitamin D status and recurrent preterm ... [25] Maternal vitamin D status in pregnancy and ... [26] A nested case-control study of first-trimester maternal vitamin ... [27] Vitamin D and pregnancy: Skeletal effects, nonskeletal ... [28] Vitamin D induces innate antibacterial responses ... [29] Effects of 25-hydroxyvitamin D3 and 1,25 ... [30] Vitamin D and the regulation of placental ... [31] Dietary reference intakes for calcium ... [32] Evidence for alteration of the vitamin D ...