What are the signs of growth plates fusion?
There are no direct external signs. The only direct method is to examine an x-ray of your bones. Indirectly, we look at the secondary sex characteristics of your body to make a guess as to how far you have developed. If you use the Tanner Stage Calculator, a score indicating that you are in stage 4 means your growth plates are starting to close and when you are in stage 5, they are completely closed.