Lecture+4 - Birth Infant Physical Perceptual and Motor...

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Physical, Perceptual and Motor Development Lecture 4 January 17, 2008
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Overview Birth Stages of labor Video The amazing newborn Physical condition Reflexes Senses States – sleeping and crying Feeding Infancy Body growth Motor Development Perceptual development – a focus on vision Brain development Visual brain development Video
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Childbirth Stages of labor Stage 1 Dilation of the cervix (the opening from uterus to vagina Accomplished through contractions of the uterus Stage 2 Fetus goes from uterus to vagina Head “crowns” Body emerges Stage 3 Placenta, umbilical cord expelled
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Childbirth continued Changing notion of traditional childbirth Past: home delivery, natural family event Current: hospitals, medical event (U.S.) Holland – 33% give birth at home US – 1% give birth at home Concern about “medicalization” of childbirth Moms not involved in decision-making process Treating a natural process like disease Pain medication Some form used in 80-95% of births in U.S. Sedative drug – relax mom & relieve pain; cross placental barrier – baby may also be sedated Regional anesthesia – e.g., epidural – may prolong labor; cause trouble with pushing; headaches
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The Cesarean Section (C-section) C-section - surgical procedure - typically w/ regional anesthesia - mother awake Why needed? Medical emergencies, breech psoitions failure to progress Prevalence - 5.5% of births in 1970; 29% of births in 2004 – most common form of major surgery Concern is that it is done unnecessarily; Drs too cautious? Why is high rate a problem? Major surgery – longer recovery Mom is sore less mobile Expensive – possible financial strain
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Modern Childbirth - Alternatives Movement to return to natural childbirth Natural or prepared childbirth (e.g., Lamaze)
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Lecture+4 - Birth Infant Physical Perceptual and Motor...

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