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

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.