Use this handy ASQ calculator to - Quickly calculate chronological age and adjusted age (for children born 3 or more weeks premature) - Easily determine the recommended questionnaire for ASQ-3 and ASQ:SE-2 - Accurately calculate adjusted scores for ASQ-3 and ASQ:SE-2 when questionnaire items are omitted Ages & Stages Questionnaires® (ASQ) are the most used developmental and social-emotional screening tools for children 1 month to 72 months. Learn more at www.agesandstages.com.