Long-Term Consequences of Intrauterine Growth Retardation

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Abstract
Recent studies in Europe, North America and the developing world have shown that low birth weight or other indices of abnormal fetal growth in babies born at term are linked with a higher prevalence of raised blood pressure, non-insulin-dependent diabetes and cardiovascular disease in late adult life. These findings have led to the ‘fetal origins’ hypothesis which proposes that fetal adaptations to an adverse intrauterine environment programme persistent physiological and metabolic changes which predispose to these diseases. The mechanisms are unknown, but evidence from animal studies and preliminary evidence in humans suggest that impaired fetal nutrient supply permanently alters neuroendocrine development in the offspring resulting in long-term changes in the set point of adrenocortical and sympathoadrenal hormonal activity.