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Genetic Screens

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which...

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Related Experiment Video

Updated: May 21, 2025

FISH for Pre-implantation Genetic Diagnosis

FISH for Pre-implantation Genetic Diagnosis

Published on: February 23, 2011

Carrier screening and pregnancy.

Borut Peterlin¹, Ana Peterlin²

¹Clinical Institute of Genomic Medicine, University Medical Center Ljubljana, Slovenia.

Best Practice & Research. Clinical Obstetrics & Gynaecology

|March 22, 2025

Summary

This summary is machine-generated.

Expanded carrier screening (ESC) offers comprehensive genetic testing for recessive disorders, empowering couples to make informed reproductive choices. This approach is vital for all prospective parents, especially those with higher genetic risks.

Keywords:

Assisted reproduction ESC Equitable access Expanded carrier screening Reproductive autonomy Reproductive risk

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Last Updated: May 21, 2025

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Area of Science:

Medical Genetics
Reproductive Medicine
Public Health

Background:

Recessive genetic conditions cause significant childhood disorders, with 1-2% of couples at risk.
Consanguineous couples face a substantially higher risk of affected offspring.
Current genetic screening has advanced to offer comprehensive testing for numerous conditions.

Purpose of the Study:

To highlight the importance of understanding recessive disorder risks for informed reproductive decisions.
To introduce Expanded Carrier Screening (ESC) as a comprehensive solution for identifying recessive conditions.
To advocate for a multidisciplinary approach in delivering ESC services.

Main Methods:

Utilizing advanced genetic screening technology for comprehensive carrier testing.
Recommending ESC for all couples planning pregnancy, particularly consanguineous or subfertile individuals.
Emphasizing a multidisciplinary clinical service delivery model.

Main Results:

ESC provides a single test for a wide array of recessive disorders.
The study underscores the need for informed decision-making through genetic counseling and support.
ESC is recommended for all couples, with emphasis on high-risk groups.

Conclusions:

Expanded Carrier Screening (ESC) is a powerful tool for identifying risks of recessive genetic disorders.
Responsible implementation requires genetic counseling, psychosocial support, and informed consent.
National policies and funding are essential for equitable access to high-quality ESC services.