Life\'s greatest miracle PDF

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Notes on Prenatal Development: “Life’s Greatest Miracle” Use this worksheet to guide you through the “Life’s Greatest Miracle” video (53 minutes) on Learning Module 1. You may also need to refer to the textbook (Chapter 2) to answer some of these questions. Conception What is a zygote? The new Cell formed from the union of sperm and ovum. Name of Stage 1: The Germinal Period Occurs during which weeks of pregnancy? First Two Weeks What is a blastocyst? A ball of about 100 cells formed about 1 week following conception. Key developmental milestones/features: -Trophoblast outer layer of cells provides protection and nourishment. -The inner layer of cells become the embryo of the new organism. -Placenta begins to develop -Umbilical cord begins to develop Name of Stage 2: The Embryonic Period Occurs during which weeks pregnancy? Weeks 3 - 8 What are the three cell layers that develop during gastrulation and what parts of the body will the layers become? -Ectoderm – Skin, hair, nails, sensory organs, and nervous system. -Mesoderm – Muscles, bones, reproductive system, and circulatory system. -Endoderm – Digestive system and the respiratory system Key developmental milestones/features: -nearly all major organ systems are formed -nervous system develops -shape of head becomes apparent -heart begins to beat during week 4 -weeks 5 – 8 growths at rapid pace. -all the main body parts have formed -Embryo responds to touch, especially around its mouth, and it can move. -Embryo looks distinctly human. Name of Stage 3: The Fetal Period Occurs during which weeks pregnancy? Week 9 - Birth What is the age of viability? 28 weeks Key developmental milestones/features -Fetus becomes active, responds to sounds, kicks, turns, etc -lungs are the last major organ to become viable -brain develops -sleep wake cycles begin

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Prenatal Senses and Learning After viewing the video and reviewing the Fetal Period section in Chapter 2 answer the following question: Pretend that you are an obstetrician and one of your patients, Diana, has asked your advice on a product that claims to give her baby a head start in learning words. The product is an audio CD that claims that playing the audio multiple times while the fetus is in utero will help it become familiar with words and learn their meaning. Based on what you know about fetus’ prenatal awareness of their external environment, would you recommend this product to Diana? Why or why not? What, if anything, could this product actually accomplish? Yes I would recommend this to Diana. By the end of the second trimester the baby responds to sounds, voices, music, and even showing a preference for familiar voices. Then in the third trimester this external awareness increases. During these last week’s playing a cd can help the baby recognize a preference. When playing that audio cd, they will recognize the sounds.

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