Injuries to growth plates, which produce new bone tissue and determine the final length and shape of bones in adulthood, must be treated so that bones heal properly.
www.hopkinsallchildrens.org
Girls tend to reach skeletal maturity earlier than boys. Their growth plates usually close around ages 13 to 15, while boys' growth plates close later, at around
ages 15 to 17.
Because of their soft nature, growth plate parts of the bone are vulnerable to injury during the development of a child.
www.dukehealth.org
On average, females are done growing around age 12 to 14,
and boys around age 14 to 16.
en.wikipedia.org
Complete fusion happens between ages 12–16 for girls and
14-19 for boys.