title: Trivandrum Developmental Screening Chart
text: # Trivandrum Developmental Screening Chart
  
  Trivandrum Developmental Screening Test (TDSC) is a developmental screening test for children. It was developed by selecting 17 test items from BSID (Baroda Norms).
  
  ## History
  
  It was developed and designed at the Child Development Centre, SAT Hospital, Government Medical College, Trivandrum, Kerala in 1991.
  
  ## Test
  
  It was validated both at the hospital and the community level against the standard Denver Developmental Screening Test.
  
  With a sensitivity of 66.7% and specificity of 78.8%, it can be used even by community level health worker for mass screening and takes around 5 minutes to $complete.^{[2]}Includes$ adequate mental and motor development milestones spread over the first 2 years. Requires only a pencil and a bunch of keys as test items.
  
  