Prader-Willi Syndrome: Symptoms & Signs

Prader-Willi syndrome is a complex genetic condition that affects many different areas of the body and functions.

Signs and symptoms of Prader-Willi syndrome include

• mild to moderate intellectual impairment and
• learning disabilities.

Behavioral problems are common, including

• temper tantrums,
• stubbornness,
• aggression, and
• compulsive behavior.

Many of those affected also have sleep problems. Other symptoms can include

• distinctive facial features,
• short stature, and
• small hands and feet.

Most affected people are infertile.

Causes of Prader-Willi syndrome

The loss of genes in a specific region of chromosome 15 from the paternal copy (the gene that was inherited from the father) causes Prader-Willi syndrome. However, most cases of Prader-Willi syndrome are not inherited. Instead, the genetic changes occur as random events during the formation of reproductive cells (eggs and sperm) or in early embryonic development.

Other prader-willi syndrome symptoms and signs

• Aggression
• Compulsive Behavior
• Distinctive Facial Features
• Learning Disabilities
• Mild to Moderate Intellectual Impairment
• Short Stature
• Small Hands and Feet
• Stubbornness
• Temper Tantrums

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