Down syndrome (DS or DNS), also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy […]

Intellectual disability (ID), also called intellectual development disorder (IDD), general learning disability,[1] or mental retardation (MR),[2][3][4] is a generalized neurodevelopmental disorder characterized by significantly impaired intellectual […]

Cerebral palsy (CP) is a group of permanent movement disorders that appear in early childhood. Signs and symptoms vary between people. Often, symptoms include poor coordination, […]

Fragile X syndrome (FXS), also known as Martin-Bell syndrome, or Escalante’s syndrome (more commonly used in South American countries), is a genetic syndrome. Nearly half of […]