Last Modified: 2011-07-01
Related Textbooks:Exploring Lifespan Development Value Package (includes Grade Aid Workbook with Practice Tests for Exploring Lifespan Development)
a) Amnion-protective covering, cushion and temperature regulator
b) Placenta- disc shaped mass of tissue, partial filter. Supplies food and O to the fetus and carries away its waste
c) Umbilical cord- anchors placenta to developing organism; is a rope of tissue
Embryonic disk forms three layers
a) ectoderm- NS, skin, sensory organs
b) mesoderm- muscles, skeleton, circulatory system, excretory system
c) endoderm- digestive system, lungs, glands
Time during which there are miscarriages (spontaneous abortions) due to chemical abnormalities, life system not developed well etc.
a) 1-12 weeks
b) 13-24 weeks
c) 25-38 weeks
b) Emotional stress- higher miscarry rates, premature birth, respiratory ilnesses With stress, blood moves to the mother's system to support her instead of the baby. Less oxygen and nutrients for the baby
c) Maternal age- greatest success rate for women in their 20s.
b) time of exposure (there are sensitive periods of growth)
c) genetic predisposition
d) presence of other teratogens
past- at home
current- in hospitals
Episiotomies- surgical cuts given to everyone
Fetal monitoring inhibits mobility
~ 20 inches in length ~7.5 pounds
Features have appeal
HR, Respiratory effect, muscle tone, color, reflect irritability
Given x2 (1 min, 5 min)
7-10 a good score. 4 or lower means survival is in doubt
Taste and smell- highly developed taste. Newborns attracted to lactating women
Hearing- prefer complex sounds, prepared for languages
Vision- least mature sense. Cannot focus eyes
Takes 4-6 months to stabilize sleep patterns
REM (active stimulation for brain)
non REM body is quieter
Used to communicate physical needs (comfort, hungry, bored)
Basic- starts softly builds up
Mad- more intense
Pain- high pitched
Designed to stimulate strong feelings of arousal
Comfort with swaddling, rocking, singing
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