## If we screen a child at 6 months of age, when should we screen the child again? How many times should a child be screened within a year?

Mark E. Ting  
Jun 15, 2018  
3128 views

Ages & Stages Questionnaires (ASQ) is a flexible system that allows programs to choose the frequency of screening based on what works best with the program’s goals and capabilities. The developers do recommend that programs screen on a regular basis, rather than just once, to detect delays that may develop as children grow. For children birth to 24 months, screening every 4–6 months is adequate. If a child scores in the monitoring zone, programs should rescreen in 2–3 months. For children 2–3 years, every 6 months is adequate unless a delay is suspected. For children 4–5 years, once or twice yearly is usually adequate unless problems are suspected.

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[ASQ-3(195)](https://support.agesandstages.com/kb/tag/138) [ASQ:SE-2(123)](https://support.agesandstages.com/kb/tag/143) [rescreening(7)](https://support.agesandstages.com/kb/tag/155) [frequency(8)](https://support.agesandstages.com/kb/tag/194)