Bone Health

How to Tell If Your Growth Plates Are Closed: A Guide for Parents

By Tallori · August 19, 2026 · 1 min read

How to Tell If Your Growth Plates Are Closed: A Guide for Parents

What if your child's biggest growth spurt is already behind them? Knowing how to tell if your growth plates are closed is the only way to be sure. Growth plates are closed when the cartilage has fully hardened into solid bone. You can spot this at home if your child grows less than 1.8 inches in a year.

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This article is for general information and isn't medical advice. Talk to your child's pediatrician about their growth and nutrition.

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