Abstract
The epidemiologist David Barker was among the first to develop the concept that some adult diseases might have their origins during fetal life, based notably on a strong association between low birth weight and the risk of chronic diseases in adulthood (coronary artery disease, hypertension and stroke, type 2 diabetes, and osteoporosis). Several other groups replicated these results in other populations, thus confirming that birth weight is a determining factor of adult health. Intra-uterine growth retardation (IUGR) has been widely used as a marker of poor fetal nutrition and health, but some antenatal nutritional disturbances can increase the risk of diseases later in life without affecting fetal growth. The risk of diseases in adulthood appears to be further increased when IUGR is associated with rapid postnatal catch-up growth. This suggests that fetal malnutrition induces adaptations necessary for fetal survival and health, but that it also undermines future health if the postnatal environment is unfavorable. The fetal origins of adult diseases has major public health implications and calls for reinforced pre- and post-natal prevention strategies.
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