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Angelman Syndrome

Angelman syndrome is a rare genetic condition that can happen by chance or can run in families. Individuals with a family history of this condition may be at risk to have a child with Angelman syndrome or a related condition called Prader-Willi syndrome.

Symptoms

• Mental retardation
• Speech impairment
• Ataxia (movement disorder)
• Unique behavior (inappropriate happy demeanor)
• Seizures

Causes/Risk Factors

• Family history of Angelman syndrome or Prader-Willi syndrome
• UBE3A genetic mutation
• Chromosome 15 abnormality

Genetic Test/Carrier Screen

The following tests may be appropriate based on your personal and/or family history.

• Carrier Testing
  
  • Blood draw
• Prenatal Testing
  
  • Chorionic Villus Sampling (CVS)
  • Amniocentesis

See our pre-conception and prenatal services

Schedule an Appointment

To speak with a board-certified genetic counselor about your risks for this disease:

• Schedule genetic counseling appointment online
• Or call 1-800-975-4819
• Send email

Learn More

Angelman Syndrome Foundation

National Library of Medicine Genetics Home Reference