Human Development

Human Development - Chapter 10 Prenatal = Conception to...

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Click to edit Master subtitle style 5/6/09 Human Development Chapter 10
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5/6/09 Baby Makin’ 101
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5/6/09 Prenatal Development Prenatal = Conception to Birth Zygote = Fertilized Egg Prenatal Stages: Germinal “ Embryonic & Fetal
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5/6/09 Prenatal Stages Germinal Stage Shortest stage (first couple of weeks) Egg fertilization, placenta formation, and zygote embedding One in five zygotes rejected Embryonic Stage From two weeks until the end of month 2 Most vital organs form during this stage (extremely important and vulnerable – miscarriages; structural birth defects)
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5/6/09 Prenatal Stages Cont’d Fetal Stage Two months – birth Baby forming now called a fetus Muscle growth, continued development of organs, beginning organ functioning… Final three months characterized by rapid brain cell multiplication: fetus prepares for life outside Age of Viability – 22 to 26 weeks (around 6 months) 22-23 weeks: 14%-26% 26: 80%-83%
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Human Development - Chapter 10 Prenatal = Conception to...

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