Assess puberty timing based on age, gender, and Tanner stage. Determine if puberty onset is early, normal, or delayed.
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How this calculator works
Compares current age and Tanner stage to typical puberty onset ranges: girls 8-13, boys 9-14.
Common questions about this calculator
Child health calculators use standardized pediatric growth charts. Any concerns about your child's development should be discussed with a pediatrician.
