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Fetal Growth Restriction and Postnatal Development

Abstract:  The interaction between genetic constitution and in utero environment determines fetal growth and development and influences the susceptibility to certain disorders in adulthood. Data from both animal and human studies indicate that prenatal and early postnatal malnutrition can program the hypothalamus‐pituitary‐adrenal axis (HPA axis), altering neuroendocrine response to stressors throughout lifetime. Impaired uteroplacental perfusion results in fetal growth restriction (FGR). In FGR there is evidence of chronic hypoxemia and alterations in metabolic, endocrine, and hematological parameters, compatible with starvation. Furthermore, FGR is associated with increased perinatal mortality and in the survivors there is increased susceptibility to diabetes and cardiovascular disease in adulthood. There is evidence that early postnatal growth acceleration, which would normally be considered desirable, may exacerbate metabolic dysfunction in later life.