A bone age younger than the actual age indicates slower bone development, but a difference of one year between the bone age and the actual age is within the normal range.
Bone age refers to the age of the bones, which can generally be determined by X-ray examination. Generally speaking, a difference of one year between the measured bone age and the actual age is within the normal range. However, if the bone age is more than one year younger than the actual age, the bones may be slow to develop.
Slow bone development may be due to inadequate nutritional intake or metabolic disorders such as decreased pituitary function, thyroid and gonadal insufficiency. Calcium deficiency may also cause delayed bone age delayed bone age.
Therefore, if the nutritional intake is insufficient you can strengthen the child’s nutrition, take more calcium products, and encourage the child to be more active and exercise more. If there is any discomfort, please consult a doctor promptly.