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Prenatal Development & Care

Prenatal Development & Care. Ch. 17 Pages 470-477. iPad Vocabulary Activity. Open: iSwifter APP Open the Bookmark and choose: Organize Open: Glencoe web link Drop Down: “ Chapter Activities ” Choose: “Chapter 17” Open: “ Interactive Study Guide” Open : “Lesson 1”

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Prenatal Development & Care

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  1. Prenatal Development & Care Ch. 17 Pages 470-477

  2. iPad Vocabulary Activity • Open: iSwifter APP • Open the Bookmark and choose: Organize • Open: Glencoe web link • Drop Down: “Chapter Activities” • Choose: “Chapter 17” • Open: “Interactive Study Guide” • Open: “Lesson 1” • http://glencoe.com/sites/common_assets/health_fitness/glencoe_health_09/isg/GH_ch17.1_550x390.swf

  3. Objectives • Objective 1: Identify the stages of fetal development from conception through pregnancy and birth. • Objective 2: Explain how a pregnant female transfers nutrients and other substances to her fetus. • Objective 3: Understand the difference between identical and fraternal twins • Objective 4: Identify ways to keep the fetus healthy. • Objective 5: Identify possible complications of pregancy

  4. The Very Beginning Fertilization: The union of a male sperm and a female egg. The cell is now called a zygote Embryo: A cluster of cells that develop between the 3rd and 8th week of pregnancy. Fetus: Group of developing cells after the 8th week.

  5. The Growing Embryo • Amniotic Sac: A thin, fluid-filled membrane that surrounds and protects the developing baby. • Umbilical Cord: A ropelike structure that connects the fetus with the mother’s placenta. • Placenta: A thick, blood-rich tissue that lines the walls of the uterus during pregnancy and nourishes the embryo. • The 9 months are divided into 3 trimesters. SEE PAGE 472

  6. Twins • Identical twins: result when a single egg has been fertilized by one sperm and forms two embryos. Identical twins have the same genetic information, are the same gender, and look almost exactly the same. • Fraternal twins: result when the ovaries release two eggs and are fertilized by two separate sperm. Each twin has a different genetic make up and they may or may not be of the same gender, and they do not look the same.

  7. Complications during pregnancy • Miscarriage: The spontaneous expulsion of a fetus that occurs before the twentieth week of pregnancy. (baby no longer develops and female has her period) • Stillbirth: A dead fetus expelled from the body after the twentieth week. • Women who use tobacco or drugs during pregnancy are more likely to experience a miscarriage or stillbirth. • A miscarriage or stillbirth doesn’t mean the mother did something wrong • Ectopic Pregnancy: The zygote implants itself in the fallopian tube, ovary, or cervix.

  8. Birth Occurs in 3 steps • Labor: Muscle contractions of the uterus and causes the cervix to open. • Delivery: Baby passes through the birth canal. • Afterbirth: The placenta is still attached to the baby by the umbilical cord. Contractions continue until the placenta is pushed out.

  9. Problems with the female reproductive system • Double click the title to watch video.

  10. Matching Review Game • Open: iSwifter APP • Open the Bookmark and choose: Organize • Open: Glencoe web link • Drop Down: “Chapter Activities” • Choose: “Chapter 17” • Open: “Interactive Health Tutor” • Open: “Chapter 17a” • http://glencoe.com/olc_games/game_engine/content/gln_health/gln_health_09/conc_game/english/ch17a/index.html

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