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PSYC 255 Essentials of Life Span Development - CHAPTER 2 PT. 3

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These notes cover the SECOND chapter of the course, including the lecture, readings, and essential discussions. Whether you missed a class, need to review for exams, or want a concise summary of complex topics, these notes are your go-to resource. I personally sat through every lecture and reviewed every powerpoint ensuring nothing important was missed. They are ideal for students who want to save time and improve their understanding of the material without the stress of creating their own study resources from scratch. With these notes, you'll be better prepared for exams, quizzes, and assignments, giving you a competitive edge in your Psychology 255 course. Perfect for: Students who missed classes or need to catch up, those looking to reinforce their understanding of complex - psychological concepts, anyone preparing for exams and needing a reliable study guide, and students who prefer well-organized and visually supported study materials. ***PLEASE NOTE: As a college student, I want to share that I’m not a professional note-taker, but these notes reflect the methods that have helped me maintain a 3.5-4.0 GPA throughout my college journey. Please note that there may be some spelling or grammatical errors, abbreviations, and personal stylistic choices within these notes—they are, after all, class notes, not a polished thesis. Thank you for your purchase, and if you have any questions, please don't hesitate to reach out.

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chapter 2: prenatal development

factors relating to conception:
•males produce sperm in vast numbers
•360 million released during intercourse
•300 to 500 reach the ovum
•sperm live approximately 2-3 days
•ovum lives one day

sings of pregnancy
•feeling faint or tired
•headaches
•frequent urination
•beast tenderness/sensitivity
why? fluctuation with progesterone (primary hormone related to
pregnancy)

morning sickness
(waves of nausea/queasiness and sometimes vomiting
•how common? 50% of pregnant women
•do men experience? sometimes
•when is morning sickness at its peak? embryonic period
•what helps to alleviate symptoms? eating more frequent and
smaller meals, etc.

twins
•identical or monozygotic twins
•fraternal or dizygotic twins
•semi identical twins

single birth:
•one egg is released
•the egg is fertilized by a sperm

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Uploaded on
August 20, 2024
Number of pages
8
Written in
2023/2024
Type
Class notes
Professor(s)
Patrick bowman
Contains
Lecture 4

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