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Learning and Developmental Difficulties Resulted from Other Chromosome-Related Conditions

Signs and symptoms of learning and developmental difficulties resulted from other common chromosome-related conditions:

Triple X syndrome
  • a genetic disorder that affects females
  • taller than average height is the most typical physical feature
  • have intelligence in the normal range, but possibly slightly lower when compared with siblings
  • vertical folds of skin that cover the inner corners of the eyes (epicanthal folds)
  • widely spaced eyes
  • atypically curved last fingers
  • flat feet
  • atypically shaped breastbone
  • weak muscle tone (hypotonia)
  • seizures
  • kidney abnormalities
  • developmental delays
Fragile X syndrome
  • a genetic disorder that affects males most of the time
  • delayed development of speech and language by age 2
  • mild to moderate intellectual disability
  • can be fidgety and impulsive
  • facial features: a long and narrow face, large ears, a prominent jaw and forehead
  • unusually flexible fingers
  • flat feet
Trisomy 21 – Down syndrome
  • Common physical features
    • eyes that slant upward, have oblique fissures, have epicanthic skin folds on the inner corner, and have white spots on the iris
    • low muscle tone
    • small stature and a short neck
    • a flat nasal bridge
    • single, deep creases across the centre of the palms
    • a protruding tongue
    • a large space between large and second toe
    • a single flexion furrow of the fifth finger
  • delay in developmental milestones and speech
  • poor attention span
  • impulsive

Fix an appointment for your child to go for our Dynamic Diagnostic Assessment (DDA™) to identify your child’s learning and developmental strengths and weaknesses.

Bridge Learning specialised early intervention programme: