Vitamin d in pregnancy may shape Child's lung health

NCT ID NCT03229317

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether low vitamin D levels in early pregnancy are linked to breathing problems in children ages 5 to 6. Researchers measured airway resistance in 142 children whose mothers had vitamin D levels checked during the first trimester. The goal is to understand if vitamin D plays a role in early lung development and later asthma risk.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to
If it works, this could point toward a role for vitamin D in early lung development and asthma prevention.
What could go wrong
This is an observational study, not a treatment trial. It only looks for an association, so it cannot prove cause and effect.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Armand Trousseau Hospital

    Paris, Paris, 75012, France

  • Necker Enfants-malades Hospital

    Paris, Paris, 75015, France

  • Robert Debré Hospital

    Paris, Paris, 75019, France

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