Prader-Willi syndrome

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Prevention

By Mayo Clinic staff

Defective or missing portions of paternal genes responsible for Prader-Willi syndrome usually occur randomly. This means that in most instances, Prader-Willi syndrome can't be prevented. However, in a small number of cases, a genetic mutation inherited from the father may cause Prader-Willi syndrome.

If you have a child with Prader-Willi syndrome and would like to have another baby, consider seeking genetic counseling. A genetic counselor may help determine your risk of having another child with Prader-Willi syndrome.

Coping and support
References
  1. Cassidy SB, et al. Prader-Willi syndrome. European Journal of Human Genetics. 2009;17:3.
  2. Prader-Willi syndrome. Genetics Home Reference. National Library of Medicine. http://ghr.nlm.nih.gov/condition/prader-willi-syndrome/show/print. Accessed Feb. 23, 2011.
  3. Scheimann AO. Clinical features, diagnosis, and treatment of Prader-Willi syndrome. http://www.uptodate.com/index.html. Accessed Feb. 15, 2011.
  4. McCandless SE, et al. Health Supervision for Children With Prader-Willi Syndrome. Pediatrics. 2011;127:195.
  5. Cassidy SB, et al. Prader-Willi Syndrome. In: Pagon RA, et al., eds. GeneReviews. Seattle, Wash.: University of Washington; 1993. http://www.ncbi.nlm.nih.gov/books/NBK1330/. Accessed Feb. 23, 2011.
DS00922 April 12, 2011

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