birth and newborn

birth and newborn - 9/13/11 The Newborn Infant Preterm...

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9/13/11 1 The Newborn Infant Preterm Infants: Too Soon, Too Small Preterm infants Infants who are born prior to 38 weeks after conception (also known as premature infants) Low-birthweight infants Infants who weigh less than 2,500 grams (around 5 1/2 pounds) at birth Small-for-gestational-age infants Infants who, because of delayed fetal growth, weigh 90% (or less) of the average weight of infants of the same gestational age
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2 Low-birthweight infants are highly vulnerable to infection, and because their lungs have not had sufFcient time to develop completely, they have problems taking in sufFcient oxygen. As a consequence, they may experience respiratory distress syndrome (RDS) , with potentially fatal consequences. Despite the difFculties they experience at birth, the majority of preterm infants eventually develop normally in the long run. However, medical advances have led to a higher chance of survival, pushing the age of viability , the point at which an infant can survive prematurely, to about 22 weeks. Low Birthweight Factors
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This note was uploaded on 10/05/2011 for the course HD 1004 at Virginia Tech.

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birth and newborn - 9/13/11 The Newborn Infant Preterm...

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