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trans Fatty acids: infant and fetal development

S E Carlson1, M T Clandinin, H W Cook

  • 1Health Science Center, University of Tennessee, Memphis 38163, USA.

The American Journal of Clinical Nutrition
|September 1, 1997
PubMed
Summary
This summary is machine-generated.

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Trans fatty acids may impact fetal and infant development, but current evidence is inconclusive. More research is needed to understand the effects of trans fats on early growth and neurodevelopment.

Area of Science:

  • Nutrition Science
  • Developmental Biology
  • Public Health

Background:

  • Growing awareness of essential fatty acids (n-3 and n-6) highlights potential impacts of trans fatty acids.
  • Trans fatty acids have been identified in maternal and infant tissues, raising developmental concerns.
  • Research indicates trans fatty acids may interfere with crucial fatty acid metabolism.

Purpose of the Study:

  • To review and evaluate scientific data on the potential adverse effects of trans fatty acids on fetal and infant development.
  • To assess the current evidence regarding trans fatty acid exposure and its association with early growth and neurodevelopmental outcomes.

Main Methods:

  • Comprehensive review of existing scientific literature, including animal and human studies.
  • Analysis of data on trans fatty acid isomers, fatty acid metabolism, and associations with growth parameters.

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  • Evaluation of study limitations, confounding factors, and ethical considerations in human research.

    • Main Results:

    • Animal studies show limited evidence of trans fatty acids affecting gross fetal development or growth.
    • Human studies present complex, often confounded, associations between trans fatty acid exposure and infant development.
    • Limited data suggest potential correlations between trans fatty acids and birth weight or preterm birth, but causality is not established.

    Conclusions:

    • Current data do not establish a causal link between trans fatty acid intake and compromised fetal or infant development.
    • Confounding factors limit conclusions from observed associations between trans fatty acids, essential fatty acids, and growth.
    • Further cautious research is recommended to clarify the subtle effects of trans fatty acids on human neurodevelopment and growth.