Growth Plates: When Do They Close in Males?

Regarding the growth plate?

The growth plates in males close later, potentially up to the age of 25, which is what you previously mentioned.
However, I see that when others ask different doctors, they often say that the growth plates close after reaching adulthood, making it unlikely to grow taller after the age of 17.
So what is the truth?

Xiao Hua, 10~19 year old female. Ask Date: 2005/11/26

Dr. Zhou Lizhi reply Orthopedics

In fact, if individuals undergo X-rays at the hospital, it will be observed that the growth plates completely close and disappear around the age of 25.
Therefore, there is still a chance for height increase before closure, although the likelihood and extent of growth are not as significant as during the teenage years.

Reply Date: 2005/11/26

More Info

Understanding growth plates and their closure is crucial for anyone interested in human development, particularly during adolescence. Growth plates, also known as epiphyseal plates, are areas of developing cartilage tissue located at the ends of long bones. They are responsible for the lengthening of bones during childhood and adolescence.
In males, growth plates typically begin to close after puberty, which generally occurs between the ages of 12 and 16. However, the process of closure can vary significantly among individuals. While many boys may experience significant growth spurts during their teenage years, the growth plates do not close until they have completed their growth phase. This means that while some boys may stop growing by the age of 17 or 18, others may continue to grow until their early twenties, with the average closure age being around 18 to 25 years.

The confusion regarding the closure of growth plates often arises from the variability in individual development. Some medical professionals may state that growth plates close around the age of 17, which is true for many individuals, particularly those who mature earlier. However, it is essential to recognize that this is not a universal rule. Factors such as genetics, nutrition, and overall health can influence the timing of growth plate closure.

To clarify, while the majority of males will have their growth plates closed by the age of 18, some may still have open growth plates until they reach their mid-twenties. This means that there is still a possibility for growth in height during this period, albeit at a slower rate than during the peak growth years of puberty.
Once the growth plates close, which is marked by the transition from cartilage to bone, further height increase is not possible. This closure signifies that the bones have reached their maximum length. After this point, any changes in height are typically due to factors such as posture or spinal compression rather than actual bone growth.

In summary, while many males may stop growing by their late teens, it is entirely possible for some to continue growing until their mid-twenties. The closure of growth plates is a gradual process influenced by various factors, and it is essential to consider individual differences when discussing growth and development. If you are concerned about your growth or development, consulting with a healthcare professional can provide personalized insights and guidance based on your specific circumstances.

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