How to Calculate Growth Velocity
What is Growth Velocity?
Growth velocity (cm/year) is the most sensitive indicator of growth problems. A child may be short but growing normally — reassuring — or normal height but growing slowly — which warrants investigation.
Step-by-Step Guide
- 1GV = (H2 − H1) / months × 12
- 2Peak velocity: girls 8cm/yr at 11-12; boys 9cm/yr at 13-14
Worked Examples
Input
Child grows 5cm in 6 months
Result
10 cm/year — normal for school age
Normal pre-pubertal: 5–7 cm/year
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