First Year notes on: Pre Natal Development
Contain a comprehensive summary, illustrations (where applicable) and additional notes/resources related to the topic.
Contains notes from: Psychology - An Introduction (Paperback, 4th ed) L. Swartz, C. De la Rey, N. Duncan, L Townsend, V. O'Neill
Important to know about PND in psychological context →
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The Germinal Stage
0-2 weeks
rapid cell division
Pre Natal Development 1
, zygote → mass of multiiplying cells → fallopian tube to uterine lining → implantation
Placenta forms
Embryonic Stage
2-8 weeks
Vital organs and bodily systems
vulnerable stage → foundations of body’s organs
neural tube → brain and spine
heart throbs → week 4
arms, legs, cornea → week 5
liver and spleen, blood cells, digestive and urinary system, neural linking →
ORGANOGENESIS - week 6-8
Foetal Stage
week 9 - birth
sex organs - month 3 and 4
foetus moves - month 4
eyes move, foetus breathes and cries - month 6
see, hear, smell, taste - month 7
Zone of Viability: weeks 22-26
Risks to Pre - Natal Development
Teratogens
Pre Natal Development 2
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