Tanner Staging

Name: Tanner Staging
Creator: Daniel Diaz-Gil, MD
Keywords: Tanner, puberty, sexual maturity, staging, precocious, delayed, breast, genital, pubic hair, testicular volume, endocrinology, pediatric

Interactive Tanner pubertal staging with precocious and delayed puberty assessment

Clinically Verified· 8 tests

For educational and informational purposes only. Verify all results before clinical application.

Sex *

Age *

years

Pubic Hair Stage *

Breast / Genital Stage *

References

Marshall WA, Tanner JM. Variations in pattern of pubertal changes in girls. Arch Dis Child. 1969;44(235):291-303.[DOI]
Marshall WA, Tanner JM. Variations in the pattern of pubertal changes in boys. Arch Dis Child. 1970;45(239):13-23.[DOI]

Reviewed by Daniel Diaz-Gil, MD · Last updated March 2026

Medical disclaimer

This tool is for educational and informational purposes only. It is not a substitute for professional clinical judgment. Always independently verify results before making clinical decisions.

Professional Resources — Tools used by pediatricians for general pediatric care

The Harriet Lane HandbookClassic pediatric drug dosing and clinical reference~$50via Amazon Broselow Pediatric Emergency TapeColor-coded length-based tape for weight estimation and emergency dosing~$30via Amazon