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Attitudes toward prenatal genetic testing for Treacher Collins syndrome among affected individuals and families

Authors

  • Rebecca L. Wu,

    1. Department of Genetics and Genomic Sciences, Mount Sinai School of Medicine, New York, New York
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  • Cathleen S. Lawson,

    1. Department of Obstetrics and Gynecology, Johns Hopkins University School of Medicine, Baltimore, Maryland
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  • Ethylin Wang Jabs,

    1. Department of Genetics and Genomic Sciences, Mount Sinai School of Medicine, New York, New York
    2. Department of Pediatrics, Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
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  • Saskia C. Sanderson

    Corresponding author
    1. Department of Genetics and Genomic Sciences, Mount Sinai School of Medicine, New York, New York
    • Department of Genetics and Genomic Sciences, Mount Sinai School of Medicine, One Gustave L. Levy Place, Box 1947, 1425 Madison Avenue, 3rd Floor, Box 1498, New York, NY 10029.
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  • How to Cite this Article: Wu RL, Lawson CS, Jabs EW, Sanderson SC. 2012. Attitudes toward prenatal genetic testing for Treacher Collins syndrome among affected individuals and families. Am J Med Genet Part A. 158A:1556–1567.

Abstract

Treacher Collins syndrome (TCS) is a craniofacial syndrome that is both phenotypically variable and heterogeneous, caused by mutations in the TCOF1, POLR1C, and POLR1D genes. We examined attitudes towards TCS prenatal genetic testing among affected families using a telephone questionnaire. Participants were 31 affected adults and relatives recruited primarily through families cared for in the mid-Atlantic region. Nineteen participants (65%) reported that they would take a TCS prenatal genetic test which could not predict degree of disease severity. Interest in TCS genetic testing was associated with higher income, higher concern about having a child with TCS, lower religiosity, lower concern about genetic testing procedures, and having a sporadic rather than familial mutation. Over half reported that their decision to have TCS genetic testing would be influenced a great deal by their desire to relieve anxiety and attitudes toward abortion. Ten participants (32%) reported that they would be likely to end the pregnancy upon receiving a positive test result; this was lower amongst TCS affected individuals and higher amongst participants with children with TCS. Genetics healthcare providers need to be aware of affected individuals' and families' attitudes and interest in prenatal genetic testing for TCS, and the possible implications for other craniofacial disorders, so that patients' information needs can be met. © 2012 Wiley Periodicals, Inc.

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