Vitamin d during pregnancy may shield kids from asthma

NCT ID NCT00920621

First seen May 15, 2026 · Last updated May 16, 2026 · Updated 1 time

Summary

This study looked at whether giving pregnant women extra vitamin D could stop their children from developing asthma or wheezing in early childhood. 876 pregnant women with a personal or family history of allergies took part. The main goal was to see if the children had asthma or recurrent wheeze by age 3.

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Contacts and locations

Locations

  • George O'Connor, MD

    Boston, Massachusetts, United States

  • Leonard Bacharier, MD

    St Louis, Missouri, United States

  • Robert Zeiger, MD

    San Diego, California, United States

Conditions

Explore the condition pages connected to this study.