Association of maternal circulating 25(OH)D and calcium with birth weight: A mendelian randomisation analysis.

William David Thompson Jessica Tyrrell Maria-Carolina Borges Robin N Beaumont Bridget A KnightAndrew R WoodSusan M Ring Andrew T HattersleyRachel M FreathyDeborah A Lawlor

Published in: PLoS medicine (2019)

Our results suggest that maternal circulating 25(OH)D does not influence birth weight in otherwise healthy newborns. However, the effect of maternal circulating calcium on birth weight is unclear and requires further exploration with more research including RCT and/or MR analyses with more valid instruments.

Keyphrases

birth weight
gestational age
weight gain
preterm birth
body mass index
pregnant women
magnetic resonance imaging
preterm infants
contrast enhanced
data analysis