Tanner Stage Clinical Assessment Tool
Tanner Stage Clinical Assessment Tool (SMR)
Clinical Usage: This tool is designed for medical education and learning clinical assessment.
Always consider individual patient variations and cultural sensitivities during examination.
Key Clinical Considerations:
Assessment should be performed in a professional clinical setting with appropriate chaperone
Consider ethnic and familial variations in normal development patterns
Document findings in standard medical terminology
Evaluate for signs of precocious or delayed puberty
Consider endocrine evaluation if development is >2 SD from mean
Male Assessment
Female
Assessment
Stage
Age Range
Testes
Penis
Pubic Hair
Other Clinical
Signs
Stage
Age Range
Breast
Development
Pubic Hair
Other Clinical
Signs
Generate Clinical
Assessment
Reset Selection
How to Use This SMR Staging Application
Getting Started
Select the appropriate assessment type using the buttons at the top:
"Male Assessment" - for male patients
"Female Assessment" - for female patients
Review the Quick Reference Guide section for normal timing guidelines and red flags
The appropriate staging table will be displayed based on your selection
Using the Staging Table
Click on the relevant cells in each column that match your clinical findings
Selected cells will be highlighted in blue
You can select multiple characteristics across different stages if development is asymmetric
Click "Generate Clinical Assessment" to analyze your selections
Use "Reset Selection" to clear all selections and start over
Understanding the Assessment
The assessment will show:
Overall Tanner stage based on selections
Clinical implications for the current stage
Recommended follow-up actions
Suggested reading materials
For asymmetric development, specific recommendations will be provided
Important Points About SMR Staging
Critical Development Markers:
Males: First sign is testicular enlargement (>4mL)
Females: First sign is breast budding
Normal Timing:
Girls: 8-13 years onset
Boys: 9-14 years onset
Common Variations:
Pubarche may occur independently
Asymmetric breast development is common
Temporary gynecomastia in boys is normal
Red Flags:
Girls: Development before age 8
Boys: Development before age 9
No signs: Girls >13, Boys >14
Tips for Accurate Assessment
Always assess in appropriate clinical setting
Document both gonadal and pubic hair stages
Consider ethnic and familial variations
Track progression over time
Include growth velocity assessment
Consider bone age when indicated
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