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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.
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.
Abstract:
Omega-3 Long-Chain Polyunsaturated Fatty Acids (n-3 LCPUFAs) play a key role in early neurodevelopment, but evidence from observational and clinical studies remains inconsistent. This study investigates the association between maternal n-3 LCPUFA, Docosahexaenoic Acid (DHA), and eicosapentaenoic acid (EPA) concentrations during pregnancy and infant development functioning at 40 days. This study includes 348 mother-infant pairs. Maternal serum concentrations were assessed in the first and third trimesters alongside sociodemographic, clinical, nutritional, psychological, and obstetrical data. At 40 days, the Bayley Scales of Infant and Toddler Development, Third Edition (BSID-III) was administered. An adjusted analysis revealed that lower first-trimester n-3 LCPUFA and DHA concentrations are associated with better infant motor development. These results underscore the potential significance of the maternal n-3 LCPUFA status in early pregnancy for influencing fetal neurodevelopment. However, the complexity of these associations necessitates further investigation, emphasizing the urgent need for additional studies to comprehensively elucidate the nuanced interplay between the maternal n-3 LCPUFA status and infant neurodevelopment.

