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Related Experiment Videos

New developments in prenatal screening for Down syndrome.

Jeffrey P Baliff1, Robert A Mooney

  • 1Department of Pathology and Laboratory Medicine, University of Rochester School of Medicine and Dentistry, NY 14642, USA.

American Journal of Clinical Pathology
|August 10, 2004
PubMed
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Choosing the best prenatal Down syndrome screening involves balancing new analytes and screening methods. This review examines performance data for trisomy 21 screening, considering practical and ethical factors.

Area of Science:

  • Prenatal screening and diagnostics
  • Maternal-fetal medicine
  • Biochemical genetics

Background:

  • The triple screen has been a standard for prenatal screening of trisomy 21.
  • New analytes associated with trisomy 21 pregnancies are emerging.
  • Clinical pathology and obstetrics face challenges in selecting optimal screening combinations.

Purpose of the Study:

  • To review various markers and current methods for antenatal screening of Down syndrome.
  • To highlight promising recent developments in Down syndrome screening.
  • To emphasize performance data from prospective studies over statistical modeling.

Main Methods:

  • Comprehensive literature review of antenatal screening for Down syndrome.
  • Focus on prospective studies published in recent years.

Related Experiment Videos

  • Analysis of performance characteristics of different screening combinations.

    • Main Results:

    • Multiple analytes are now available for Down syndrome screening, offering improved detection rates.
    • Performance varies significantly among different marker combinations and screening strategies.
    • Prospective study data are crucial for evaluating real-world screening effectiveness.

    Conclusions:

    • The optimal antenatal screening strategy for Down syndrome requires careful consideration of performance, cost, practicality, and ethical factors.
    • Emerging analytes and screening technologies offer potential for improved Down syndrome detection.
    • Continued evaluation of prospective studies is essential for refining screening protocols.