The multifaceted roles of fatty acids and their dysregulation in obese mothers: potential implications for infant development.
Level 5 - mechanism / opinion, no new human data
Narrative review synthesizing existing literature without systematic methodology or primary human data.
PubMed 41233879 · doi:10.1186/s12986-025-01009-9
What was done
This review examined published literature on how maternal overweight and obesity during pregnancy alter the fatty acid composition of breast milk and the potential implications for infant development.
What was found
The abstract reports directional shifts in breast milk lipid composition without quantitative figures or effect sizes: - Saturated fatty acids (SFAs) such as palmitic and myristic acids are higher in obese or overweight mothers, while stearic acid is lower. - Monounsaturated fatty acids (MUFAs), particularly oleic acid, decline. - Polyunsaturated fatty acids (PUFAs) exhibit an increased omega-6 to omega-3 ratio, alongside reduced concentrations of alpha-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA).
Why it matters
It outlines specific breast milk lipid alterations associated with maternal obesity that may influence infant neurodevelopment and immune function.
Limits
The abstract describes a narrative review without reporting systematic search methods, study screening criteria, quality assessments, sample sizes, or quantitative pooled estimates. Clinical outcomes in infants were discussed conceptually rather than measured directly.
Cited by
- supports Breast milk produced by obese mothers has neurological impacts on the infant's brain.