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The Daily Insight

How do you calculate ASQ?

Author

Isabella Ramos

Updated on March 03, 2026

ASQ Age Calculator To determine weeks premature, subtract the child’s gestational age when born from 39 weeks (full-term pregnancy). You may also subtract from 38 or 40 weeks if that is your program’s definition of full-term.

What ages does the ASQ cover?

Ages & Stages Questionnaires® (ASQ®) provides reliable, accurate developmental and social-emotional screening for children between birth and age 6.

Is the ASQ free?

Confidential Online ASQ Screening Tool Easterseals offers a free, comprehensive and confidential online screening tool to help guide and keep track of your child’s growth and development during these first five years.

When should ASQ be done?

ASQ-3 & ASQ:SE Administration Recommendations: Complete the ASQ:SE questionnaire at 6, 12, 18, 24, 30, 36, 48, and 60 month age intervals. Screen children with ASQ-3 at 2 and 4 months, then at 4 month intervals up to 24 months old, and at 6 month intervals until the child reaches 5 years old.

When should the ASQ be administered?

For children birth to 24 months, screening with ASQ-3 every 4–6 months is adequate. If a delay is suspected, programs should rescreen in 2–3 months. For children 2–3 years, every 6 months is adequate unless a delay is suspected. Using each age interval of ASQ:SE-2 is a reasonable monitoring schedule.

How often should ASQ?

How often should ASQ be administered? For children birth to 24 months, screening with ASQ-3 every 4-6 months is adequate. If a delay is suspected, programs should rescreen in 2-3 months. For children 2-3 years, every 6 months is adequate unless a delay is suspected. Using each age interval of ASQ:SE-2 is a reasonable monitoring schedule.

How do I calculate adjusted age for preemies?

How Do I Calculate Corrected Age for Preemies? To calculate corrected age or adjusted age, start with the baby’s chronological age, and then subtract the number of weeks of prematurity from that chronological age. The simple formula is as follows: (Chronological Age) – (Weeks of Prematurity) = (Corrected or Adjusted Age)

Is age adjusted for prematurity when using the ASQ?

Yes, a child’s age is adjusted for prematurity when using ASQ:SE-2. The guidelines are the same as for ASQ-3: age should be adjusted if a child is born 3 or more weeks premature and is younger than 2 years chronologically. Was this helpful?

What is Ages and Stages Questionnaire?

The ages and stages questionnaire is designed for the purpose of determining the development of the child and is conducted on the caregivers or parents of the particular child. The aim of an ages and stages questionnaire is to find out about the general development of a child from his caregivers or parents.