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  1. How do health care providers diagnose Down syndrome?

  2. Making Informed Decisions: Down Syndrome Screening Explained

  3. Down syndrome - Diagnosis and treatment - Mayo Clinic

  4. Down's Syndrome Screening: What to Expect - Patient

  5. What Tests Check for Down Syndrome During Pregnancy? - WebMD

  6. Down Syndrome Tests: MedlinePlus Medical Test

  7. Prenatal Testing for Down Syndrome | Patient Education - UCSF Health

  8. National Association for Down Syndrome | Prenatal Testing and Diagnosis

  9. Screening for Down's syndrome, Edwards' syndrome and Patau's syndrome

  10. Down syndrome screening - BabyCenter