Lucie Levaillant, Agnès Linglart, Emmanuelle Letamendia, Claire Boithias, Samra Ouaras-Lounis, Patrice Thérond, Anne-Sophie Lambert, Mathieu Levaillant, Jean-Claude Souberbielle, Alexandra Benachi, Vincent Gajdos
INTRODUCTION: Serum calcium rapidly declines at birth because of the sudden interruption of the maternal-fetal calcium influx. Several factors are known to influence serum calcium in the first days of life, including circulating concentrations of maternal vitamin D. Objective was to establish the normal range variations of neonatal serum calcium according to the French current vitamin D supplementation during pregnancy, i.e. 100,000 IU of cholecalciferol during the third trimester. METHODS: We included in our prospective cohort study 1002 mother-newborn dyads from, with recruitments from April 2012 to July 2014 in France, in two recruiting centers located in Paris neighborhoods...
March 12, 2024: Hormone Research in Pædiatrics