High-Dose Vitamin D 3 Supplementation During Pregnancy and Test-Based Cognitive Performance at Age 10 Years: A - Takeaways - MDSpire

High-Dose Vitamin D 3 Supplementation During Pregnancy and Test-Based Cognitive Performance at Age 10 Years: A

  • By

  • Olivia Frigast Frederiksen

  • Jens Richardt Møllegaard Jepsen

  • Nicklas Brustad

  • Rebecca Vinding

  • Julie Bøjstrup Rosenberg

  • Parisa Mohammadzadeh

  • María Hernández-Lorca

  • Ann-Marie Malby Schoos

  • Nilo Vahman

  • Birte Y. Glenthøj

  • Birgitte Fagerlund

  • Niels Bilenberg

  • Klaus Bønnelykke

  • Bjørn H. Ebdrup

  • Kristina Aagaard

  • Bo Chawes

  • May 18, 2026

  • 0 min

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  • 1

    High-dose vitamin D3 supplementation during pregnancy may positively influence cognitive performance in children at age 10.

  • 2

    Vitamin D deficiency in pregnancy is linked to neurodevelopmental disorders, impacting cognitive abilities and increasing risks for ADHD and ASD.

  • 3

    The study involved 623 pregnant women randomized to receive either high-dose or standard-dose vitamin D3 supplementation.

  • 4

    Cognitive assessments were conducted at age 10 using neuropsychological tests as part of the COPSYCH project.

  • 5

    Previous studies on prenatal vitamin D's effects on cognition have shown inconsistent results, highlighting the need for further research.

Original Source(s)

High-Dose Vitamin D 3 Supplementation During Pregnancy and Test-Based Cognitive Performance at Age 10 Years: A

  • by Olivia Frigast Frederiksen, Jens Richardt Møllegaard Jepsen, Nicklas Brustad, Rebecca Vinding, Julie Bøjstrup Rosenberg, Parisa Mohammadzadeh, María Hernández-Lorca, Ann-Marie Malby Schoos, Nilo Vahman, Birte Y. Glenthøj, Birgitte Fagerlund, Niels Bilenberg, Klaus Bønnelykke, Bjørn H. Ebdrup, Kristina Aagaard, Bo Chawes

  • May 18, 2026

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