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.
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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
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Armand Trousseau Hospital
Paris, Paris, 75012, France
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Necker Enfants-malades Hospital
Paris, Paris, 75015, France
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Robert Debré Hospital
Paris, Paris, 75019, France
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