03 - The newborn baby-revised

03 - The newborn baby-revised - THE NEWBORN BABY The first...

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1 THE NEWBORN BABY The first 4 weeks of life is known as the neonatal period. 9 An average newborn is about 20 inches long and weighs about 7 ½ (7.5) pounds 9 95% of full-term babies weigh between 5 ½ and 10 pounds and are between 18 and 22 inches long 9 Boys tend to be slightly longer and heavier than girls 9 Firstborn child is likely to weigh less at birth than later born. Size at birth is related to: ¾ Race ¾ Sex ¾ Parent’s size ¾ Mother’s nutrition ¾ Mother’s health And tends to predict relative size later in childhood In the first few days… Neonates lose as much as 10% of their body weight, primarily because of loss of fluids. They begin to gain weight again at about the 5 th day and are generally back to birthweight by the 10 th to the 14 th day. Light full term infants lose less weight than heavy infants, and firstborns lose less than later-borns.
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2 Large head (one-fourth the body length in comparison to the trunk and legs) Receding chin (which makes it easier to nurse). Neonate’s head may be long and misshapen Temporary “molding” is possible because an infant’s skull bones are not yet fused; they’ll not be completely joined for 18 months. The places on the head where the bones have not yet grown together – the soft spots, are covered by a tough membrane Frontal suture Anterior fontanel Posterior fontanel 9 Since the cartilage in the baby’s nose also is malleable, the trip through the birth canal may leave the nose looking squashed for a few days. 9 Newborn babies’ skin is soft and smooth (although temporary rashes may appear on the face) 9 Many newborns have a pinkish cast – their skin is so thin that it barely covers the capillaries
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3 Lanugo A white downy hair that covers the entire body of the fetus, helping the vernix caseosa stick to the skin Vernix caseosa Is a white cheese-like substance that covers the fetus and protects its skin from becoming chapped in the amniotic fluid. It will dry within the 1 st few days after the baby is born Assessing the Newborn’s Physical Condition: It is used to assess the infant’s physical condition on 5 criteria: 9 Heart rate 9 Respiratory effort 9 Reflex irritability (such as sneezing, coughing, and grimacing) 9 Muscle tone 9 Color Each of these criteria is rated from 0 to 2. Color is the least dependable of the Apgar ratings An Apgar score of 7 or better indicates that the infant is in good physical condition.
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