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  3. Detection of Genetic Disorders Before and During Pregnancy/
    Detection of Genetic Disorders Before and During Pregnancy
    • Genetic Counseling and Genetic Testing Before Pregnancy
      • Types of and Risk Factors for Genetic Disorders
        • Chromosomal abnormalities
        • Single-gene disorders
        • Neural tube defects
        • Abnormalities due to several factors
      • Family History Assessment
      • Genetic Carrier Screening
      • Abnormal Results of Genetic Carrier Testing
      • More Information
    • Prenatal Testing for Genetic Disorders and Birth Defects
      • Noninvasive Prenatal Tests for Genetic Abnormalities
        • Cell-Free DNA Screening Test
        • Serum Marker Screening Test
        • Testing for Neural Tube Defects
        • Ultrasonography
      • Invasive Tests for Prenatal Diagnosis
        • Amniocentesis
        • Chorionic Villus Sampling
        • Percutaneous Umbilical Blood Sampling
        • Preimplantation Genetic Testing
      • More Information
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