NUTR 2050 Chapter Notes - Chapter 4.0: Birth Weight, Fetus, Extracellular Fluid
9 Feb 2017
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Reflects the general health and ses of a population. Liveborn infant: outcome of delivery when a completely expelled fetus. Low birth weight, pre-term delivery, and infant mortality: If born at low birth weight, much higher risk of dying in the first year of life. 8% of all birth, but 66% of all infant deaths. Trending downwards in u. s: lower in other cultures. Deaths associated with this can be reduced with improvements in the birth weight of newborns. Infants weighting 3500-4500 grams at birth are least likely to die within the first year of life. Changes at this time are so profound that they used to be considered abnormal and in need of fixing: not the case now. This sequence of events ensures that the placenta is fully prepared for the high level of functioning that will be needed. Normal physiological changes during pregnancy: the first half of pregnancy and those in the second half.
