Fetal programming: Difference between revisions
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From a pathophysiological perspective, '<b>fetal programming</b>' refers to adaptations made by a fetus in response to adverse intrauterine environments, adaptations targeting the fetus’s survival, adaptations that alter fetal structure and function during the highly plastic period of embryonic/fetal development, lasting adaptations that determine the structural, metabolic and physiological characteristics of the individual throughout the developmental stages of postnatal life, characteristics that can predispose the individual in later life to maladaptations in response to environmental conditions differing from those that the individual adapted to during fetal development.<ref name=godfrey2001/> <ref name=godfrey2001 group=Note/> The adaptations 'program' the newborn infant for the the responses it makes to its environment throughout its lifetime. | From a pathophysiological perspective, '<b>fetal programming</b>' refers to adaptations made by a fetus in response to adverse intrauterine environments, adaptations targeting the fetus’s survival, adaptations that alter fetal structure and function during the highly plastic period of embryonic/fetal development, lasting adaptations that determine the structural, metabolic and physiological characteristics of the individual throughout the developmental stages of postnatal life, characteristics that can predispose the individual in later life to maladaptations in response to environmental conditions differing from those that the individual adapted to during fetal development.<ref name=godfrey2001/> <ref name=godfrey2001 group=Note/> The adaptations 'program' the newborn infant for the the responses it makes to its environment throughout its lifetime. | ||
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Abstract of article by <b>Godfrey KM, Barker DJP. (2001)</b>: <font face="Gill Sans MT">Low birthweight is now known to be associated with increased rates of coronary heart disease and the related disorders stroke, hypertension and non-insulin dependent diabetes. These associations have been extensively replicated in studies in different countries and are not the result of confounding variables. They extend across the normal range of birthweight and depend on lower birthweights in relation to the duration of gestation rather than the effects of premature birth. The associations are thought to be consequences of `programming', whereby a stimulus or insult at a critical, sensitive period of early life has permanent effects on structure, physiology and metabolism. Programming of the fetus may result from adaptations invoked when the materno-placental nutrient supply fails to match the fetal nutrient demand. Although the influences that impair fetal development and programme adult cardiovascular disease remain to be defined, there are strong pointers to the importance of maternal body composition and dietary balance during pregnancy.</font> | |||
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Revision as of 15:08, 8 April 2013
From a pathophysiological perspective, 'fetal programming' refers to adaptations made by a fetus in response to adverse intrauterine environments, adaptations targeting the fetus’s survival, adaptations that alter fetal structure and function during the highly plastic period of embryonic/fetal development, lasting adaptations that determine the structural, metabolic and physiological characteristics of the individual throughout the developmental stages of postnatal life, characteristics that can predispose the individual in later life to maladaptations in response to environmental conditions differing from those that the individual adapted to during fetal development.[1] [Note 1] The adaptations 'program' the newborn infant for the the responses it makes to its environment throughout its lifetime.
References cited in text
- ↑ Godfrey KM, Barker DJP. (2001) Fetal programming and adult health. Public Health Nutrition 4(2B):611-624. | Read Abstract in 'Notes' section.
Notes
- ↑ Abstract of article by Godfrey KM, Barker DJP. (2001): Low birthweight is now known to be associated with increased rates of coronary heart disease and the related disorders stroke, hypertension and non-insulin dependent diabetes. These associations have been extensively replicated in studies in different countries and are not the result of confounding variables. They extend across the normal range of birthweight and depend on lower birthweights in relation to the duration of gestation rather than the effects of premature birth. The associations are thought to be consequences of `programming', whereby a stimulus or insult at a critical, sensitive period of early life has permanent effects on structure, physiology and metabolism. Programming of the fetus may result from adaptations invoked when the materno-placental nutrient supply fails to match the fetal nutrient demand. Although the influences that impair fetal development and programme adult cardiovascular disease remain to be defined, there are strong pointers to the importance of maternal body composition and dietary balance during pregnancy.