Maternal Nutrition During Pregnancy and Fetal Outcome, Short- and Long-Term Health Effects: A Narrative Review
Abstract
Over recent decades, a substantial body of research has expanded our understanding of how early-life conditions influence long-term health. These observations led to the formulation of the Barker Hypothesis, which postulates that adverse nutritional exposures during fetal life can induce persistent physiological and metabolic adaptations, thereby increasing susceptibility to chronic diseases later in life. This narrative review aims to provide a comprehensive overview of current recommendations for adequate maternal nutrition during pregnancy, with particular emphasis on key nutrients and specific dietary patterns. In addition, the effects of maternal diet on placental function and fetal growth are examined. A literature search was conducted in the following electronic databases: MEDLINE (via PubMed), Scopus, Web of Science, Embase, and the Cochrane Library. Manuscripts published between 2005 and 2025 were considered. The impact of prenatal nutritional exposures on immune development, neurodevelopment, metabolic regulation, and gut microbiota is also discussed, highlighting how these mechanisms may contribute to an increased long-term risk of non-communicable diseases, including obesity, metabolic syndrome, and neuropsychiatric disorders. Maternal nutrition during pregnancy plays a crucial role in shaping infants' and children's health, particularly regarding the development of non-communicable diseases. Therefore, ensuring adequate nutritional intake during this critical…
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