The growth and development of children is a complex process. Although children develop according to certain rules, they are affected by genetic and environmental factors within a certain range, and there are considerable individual differences, and the growth “trajectory” of each individual is not exactly the same. The evaluation should take into account the different influencing factors of individuals in order to make a correct judgment.
1) Genetic factors: Both parents’ genes determine the “trajectory” of the child’s growth and development, i.e., characteristics, potential, tendencies, etc. Genetic information of race and family also plays an important role; genetic metabolic diseases, chromosomal abnormalities, endocrine disorders, etc., are directly related to genetics.
2) Nutritional factors: Reasonable and sufficient nutrients can make the full potential of growth, nutrition is the material basis of growth and development, if malnutrition will lead to weight gain, height does not grow, the development of various systems, organ function will also be affected. The younger the child, the greater the impact of nutritional status.
3) Diseases: Diseases also have a significant impact on the growth and development of children. Acute infections often lead to weight loss, while long-term chronic diseases affect height and weight gain. Such as chronic diarrhea, liver and kidney diseases; congenital diseases such as congenital heart disease, can cause growth retardation; endocrine diseases often cause skeletal growth and neurological development disorders; some genetic metabolic diseases, chromosomal diseases can cause abnormal growth and development of children.
4) Environmental factors: good living conditions and habits, a relaxed and pleasant living environment, adequate sunlight, clean water and proper exercise are important factors to promote children’s growth and development to the best state.
Genetics plays an important role in height, but acquired nutritional and environmental factors also play a significant role in influencing the genetic potential.