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Life-span development chap 4 notes
Title: Life-span development chap 4 notes
Category: Social Sciences / Psychology
Details: Words: 690 | Pages: 2.9 (approximately 235 words/page)
Life-span development chap 4 notes
I.
Prenatal Development A.
Germinal Period - Conception to 2 weeks 1. Creation of the zygote 2. Continued cell division 3. Implantation - attachment of the zygote to the uterine wall (10 days after conception) * Blastocyst - inner cells (embryo) * Trophoblast - outer layer (placenta/umbilical cord - life supports systems) B.
Embryonic Period - 2 to 8 weeks after conception 1. Cell differentiation intensifies, support systems for cells form and organs appears 2. Attached zygote becomes embryo * Endoderm (digestive/respiratory systems) * Mesoderm (circulatory system, bones, muscles, excretory system, reproduction …showed first 75 words of 690 total…
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…showed last 75 words of 690 total…screen of infant states that assess heart rate, respiratory effort, muscle tone, body color, reflex irritability at one and five minutes after birth 2. The Brazelton Neonatal Assessment Scale - more detailed long-term neurological evaluation, given third day of life. Evaluates 20 reflexes and reaction to 27 different physical and social stimulants IV.
Postpartum Period A. 4th trimester - approximately 6 weeks 1.
Physical * fatigue * resume sexual relations * involution (uterus returns to normal size) * exercises * hormone adjustment 2.
Psychological adjustments * bonding * post-partum depression.
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