Cook Chapter 4 - C h a p te r 4 P h y s ic a l D e v e lo p...

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Chapter 4 Physical Development in Infants and Toddlers Prematurity Preterm birth 37 weeks’ gestation (from LMP) Low Birth Weight <5.5 lbs. Very Low Birth Weight <3.5 lbs. Very Low Birth Weight Small for Gestational Age (SGA) <10th percentile • Infant Mortality Death between birth and 12 months Risk factors Poor/ absent prenatal care Teenage mother Poor nutrition Unhealthy/ risky behaviors during pregnancy Preterm or LBW births Almost twice as high among African- Americans
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Maternal Death Woman dying during pregnancy or shortly after childbirth 1500 every day >90% in developing world • Causes-Worldwide Hemorrhage (25%) Indirect causes (20%) Infection (13%) Unsafe abortions (13%) Most complicated organ in the body Brain is one of the first structures to form Brain + spinal cord = central nervous system (CNS) • Neurons Type of cell in the nervous system Allows communication Brain and Nervous System
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Neurons
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