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International Birth Defects Information Systems
Prader Willi Syndrome

International Birth Defects Information Systems

Prader Willi Syndrome

Topics: | Prader Willi Syndrome | PWS |

Related Topics: | Bibliography | Disabilities | Birth Defects | Fetal Alcohol Syndrome |

Service Related: | Support Groups | Professional Associations | Key Information Sources |

Languages: | English | Ukranian |

Fine Arts : Obesity (A) (B)

Obesity is Preventable
Notes per Visitors  
... common genetic cause of obesity ... concerns for the newborn include the inability to feed because of poor sucking due to hypotonia, hypothermia, and hypogonadism ... developmental delays ... strabismus is also a concern ... after 2 years of age ... likely to gain weight rapidly ... prevention of morbid obesity is probably one of the top concerns ... should be evaluated for school performance ...

GeneClinics: Prader Willi, PWS, HHHO (Hypotonia, Hypogonadism, Hypomentia, Obesity) Syndrome
Suzanne B Cassidy et al, GeneReviews, July 12, 2006
Visitor Comments [for Professionals mainly] "Highlights diagnostic criteria, genetics, and management of PWS ..."
An authoritative and comprehensive review (1998) by S.B. Cassidy and S. Schwartz.

PWS Q and A
Prader Willi Syndrome Association (USA), November 6, 2006
Visitor Comments "Very good FAQ sheet for families. Intended for lay people."
"Diet? ... Does early diagnosis help? ... What does the future hold? ..."
Medical Alert - PWS
Prader Willi Syndrome Association (USA), March 9, 2007
Visitor Comments "Special needs of PWS patients ..."
Adverse reactions to some medications - Respiratory concerns - Gastric illness ...
Prader Willi Syndrome Association (USA)

Visitor Comments "Link for families of newly diagnosed patients."
A gate page with many well selected links.
Prader Willi Syndrome Association - UK
The Prader-Willi Syndrome Association (UK), 2007
Visitor Comments "... good link for families."
Includes illustrative photographs of patients.
"For Brothers and Sisters" by a 13 year old who has an older sister with PWS
The Prader-Willi Syndrome Association (UK), May 28, 2004
Visitor Comments "Site for siblings (particularly younger school-aged)."
"I'd like to start by saying that people haven't forgotten you, they just need to spend a little less time with you and a little more time for your sister or brother ..."

Prader Willi Syndrome
Family Village, July 5, 2005
Visitor Comments "Support for families."
Who to contact... Where to go to Chat...

Diagnostic Criteria for Prader-Willi Syndrome

Prader Willi Syndrome (USA), October 19, 2006
Visitor Comments "... for healthcare professionals."
Major Criteria (Count as 1 point each). 1) Neonatal and infantile central hypotonia with poor suck, gradually improving with age. 2) Feeding problems in infancy with need for special feeding techniques and poor weight gain/failure to thrive.

Prader Willi Syndrome Chromosome Region; PWCR Prader Labhart Willi Syndrome
Victor A. McKusick, OMIM, Johns Hopkins University, March 24, 2008
Visitor Comments [for Professionals mainly]
OMIM - An authoritative and comprehensive information resource mostly for medical geneticists.
" ... Mothers with prior experience of normal pregnancies almost without exception report distinctly delayed onset and reduced fetal activity during the pregnancies involving PWS ... Neonates are profoundly hypotonic ... Cryptorchidism occurs with hypoplastic penis and scrotum in boys and hypoplastic labiae in girls ... hypotonia ..."

Basic Diagnosis and Reference Guide for Health Professionals
Prader Willi Syndrome (USA), August 15, 2005
Visitor Comments [for Professionals mainly]

Genes Involved in PWS
Swarthmore College, January 7, 1997
"... two different syndromes caused by the same chromosomal deletion ... PWS always caused by defects involving the paternally derives chromosome ..."

Prader Willi Florida Association
Prader Willi Syndrome (USA), March 24, 2007

Glossary of Terms useful to better understand PWS
Prader Willi Syndrome (USA), August 15, 2005

International PWS Organization

Canadian PWS Association

Foundation for PWS Research
May 24, 2007

Prader-Willi Syndrome
Visitor Comments [Ukrainian]
A fact sheet for specialists in Ukrainian.
Main diagnostic criteria ... Clinical features ... Type of inheritance ... Pathogenesis ... Prognosis ... Differential diagnosis ... Treatment ... OMIM number

Prader-Willi Syndrome

Visitor Comments [Ukrainian]
A fact sheet for parents in Ukrainian.


Last Updated: 2008/6/13


American Medical Association