The Maternal Omega-3 Long-Chain Polyunsaturated Fatty Acid Concentration in Early Pregnancy and Infant

Behnaz Shahabi1,2, Carmen Hernández-Martínez1,2,3, Núria Voltas1,2,3,4

  • 1Research Group in Nutrition and Mental Health (NUTRISAM), Universitat Rovira i Virgili, 43201 Reus, Spain.

Nutrients
|March 13, 2024
PubMed

Insights

Maternal intake of omega-3 fatty acids, specifically DHA and EPA, during pregnancy may impact infant motor development. Lower concentrations in early pregnancy were linked to better motor function at 40 days.

Area of Science:

  • Perinatal nutrition
  • Neurodevelopmental science
  • Maternal-fetal health

Background:

  • Omega-3 long-chain polyunsaturated fatty acids (n-3 LCPUFAs) are crucial for early neurodevelopment.
  • Existing research on the impact of maternal n-3 LCPUFA status on infant development is inconsistent.
  • Docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) are key n-3 LCPUFAs.

Purpose of the Study:

  • To investigate the association between maternal n-3 LCPUFA (DHA and EPA) concentrations during pregnancy and infant neurodevelopment at 40 days.
  • To explore the relationship between maternal serum n-3 LCPUFA levels in the first and third trimesters and infant functioning.
  • To identify potential links between maternal nutritional status and early infant development outcomes.

Main Methods:

  • Study included 348 mother-infant pairs.
  • Maternal serum n-3 LCPUFA (DHA and EPA) concentrations were measured in the first and third trimesters.
  • Infant neurodevelopment was assessed at 40 days using the Bayley Scales of Infant and Toddler Development, Third Edition (BSID-III).
  • Sociodemographic, clinical, nutritional, psychological, and obstetrical data were collected.

Main Results:

  • Lower first-trimester maternal concentrations of n-3 LCPUFA and DHA were associated with enhanced infant motor development at 40 days.
  • The study identified a complex interplay between maternal n-3 LCPUFA status and fetal neurodevelopment.
  • No significant associations were found for third-trimester concentrations in preliminary analysis.

Conclusions:

  • Maternal n-3 LCPUFA status in early pregnancy may significantly influence fetal neurodevelopment, particularly motor function.
  • The findings highlight the need for further research to understand the nuanced relationship between maternal omega-3 fatty acids and infant neurodevelopment.
  • Additional studies are required to confirm these associations and elucidate the underlying mechanisms.