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Key Fact
Everyone with Kleefstra syndrome is an individual

Behavioural Characteristics

Very little research has explored the behavioural traits of Kleefstra syndrome but parents and carers generally describe a family member with Kleefstra Syndrome as;

  • Sociable
  • Calm
  • Fun-loving
  • Loving
  • Outgoing


The following sections describe a range of behaviours including:



The information on this website was developed in collaboration with This is the parental support group for Kleefstra, a well-developed community with an active facebook group and parent support conference. Please visit their website for further information and to get in touch with families of individuals with Kleefstra syndrome.  

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