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Chapter Outline
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Section I Prenatal Development : Three Stages
  1. Germinal Stage (Fertilization to 2 Weeks)
  2. Embryonic Stage (2 to 8 Weeks)
  3. Fetal Stage (8 Weeks to Birth)
Section II Prenatal Development: Environmental Influences
  1. Maternal Factors
  2. Physical Activity
  3. Drug Intake
    1. Medical Drugs
    2. Alcohol
    3. Nicotine
    4. Caffeine
    5. Marijuana, Opiates, and Cocaine
    6. Sexually Transmitted Diseases and Other Maternal Illnesses
    7. Maternal Age
    8. Outside Environmental Hazards
    9. Paternal Factors





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