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Genetic Screening: A Secondary Preventative Measure

📑 5 slides 👁 39 views 📅 1/27/2026
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Introduction to Genetic Screening

Genetic screening identifies individuals at risk for hereditary diseases like sickle cell.

Introduction to Genetic Screening
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How Genetic Screening Works

  • Screening involves DNA analysis to detect mutations in the HBB gene.
  • Tests can be done via blood samples or cheek swabs for rapid results.
  • Carrier screening helps identify parents at risk of passing sickle cell to children.
How Genetic Screening Works
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Benefits in Public Health

  • Reduces sickle cell incidence through informed family planning choices.
  • Early diagnosis allows for timely treatments like hydroxyurea or bone marrow transplants.
  • Saves healthcare costs by preventing severe complications later in life.
Benefits in Public Health
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Challenges and Considerations

  • Ethical concerns include privacy of genetic data and potential discrimination.
  • Access to screening is limited in low-resource regions with high disease burden.
  • Public education is needed to combat stigma and misinformation about screening.
Challenges and Considerations
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Conclusion and Future Steps

  • Genetic screening is a powerful tool for sickle cell prevention and management.
  • Integration with newborn screening programs can maximize early detection.
  • Global partnerships are essential to expand access and improve health equity.
Conclusion and Future Steps
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