ArticleNutrients2026
Maternal and Neonatal Vitamin D Status at Preterm Delivery-A Cross-Sectional Study.
Article in Nutrients, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
backgroundAn optimal 25OHD level can prevent osteopenia of prematurity (bone health) and premature delivery (non-skeletal activity). Although maternal and fetal vitamin D (25OHD) levels correlate, data on preterm infants' 25OHD status at birth are limited, with a well-recognized deficiency among term infants.
objectivesTo evaluate maternal and neonatal 25OHD status at preterm birth and its determinants in a northern-latitude country, Poland. DESIGN/
methodsCross-sectional study between August 2015 and September 2016 investigating cord and maternal blood 25OHD levels at delivery in 69 pairs of mothers and newborns ≤ 32 6/7 weeks of gestation, and analyzing correlations between maternal and neonatal 25OHD levels and their influencing factors, with univariable and multivariable linear regression.
resultsMedian (IQR) 25OHD levels were 25 (16.6-34 ng/mL) in cord blood and 21.2 (15-29 ng/mL) in mothers and correlated positively (r = 0.69,
conclusionsVitamin D insufficiency is common in mothers and their prematurely born infants at birth; vitamin D supplementation reverses the trend. To avoid inadequate supplementation in preterm newborns and in mothers at risk of preterm delivery, regular assessment of 25OHD levels should be considered.
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