High-Dose Vitamin D Supplementation During Pregnancy and Asthma in Offspring at the Age of 6 Years.

Brustad, Nicklas; Eliasen, Anders U; Stokholm, Jakob; Bønnelykke, Klaus; Bisgaard, Hans; Chawes, Bo L · JAMA · 2019

rct · Level II

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Abstract

This long-term follow-up of a randomized trial reporting no apparent effect of high-dose vs standard-dose prenatal vitamin D supplementation on wheezing in children at the age of 3 years extends the findings an additional 3 years and describes asthma risk at the age of 6 years.

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