Children’s height growth is regular, and there are certain requirements for measuring children’s height.
1. The law of growth of children's height
From birth to the closure of the epiphyseal line, the child's height growth period is the period. The growth rate of height during this period is not static. At different ages, the growth rate of height will show certain regular changes. According to the detection and statistics of big data on the height of Chinese children: the first year after a child is born is the first peak of height growth, and it is also the fastest growth stage in life, with height growth of about 25 cm. In the second year, the height increases by approximately 10 cm. In the third year, height growth will decrease to about 7-8 cm. From the age of 3 to pre-puberty, height increases at a rate of 5 to 7 cm per year. Puberty is the second peak of height growth, with an annual growth rate of 6 to 9 cm.
2. How to measure children’s height
Each measurement should be done after getting up in the morning;
Measure at the same place each time;
< p>Use the same measuring tool every time;Take off your shoes and hats when measuring;
Put your heels, hips, and shoulder blades against the wall when measuring;
When measuring, keep your eyes looking straight ahead;
The same parent will complete the measurement process for each measurement;
Indicate the measurement date and height measurement value for each measurement