Pediatric development standard reference

The baby's growth and health are related to the happiness and joy of every family. The healthy growth of the baby is the wish of every parent. In the eyes of parents, the standards for measuring a baby's health are nothing more than, first, that the baby should not be sick, and second, that the baby should grow fast, that is, the height and weight should be normal. Here, the editor has specially asked the experts for the basis for measuring health - the children's development standards, for reference by every father and mother.

Young parents are very concerned about whether their children's physical development is normal. The judgment criteria are very simple. They can be judged by the child's weight, height at different ages, the development of teeth, the steady and declining development of sensory organs, the reaction ability of the nervous system, the development of motor functions, the development of language behavior, etc. Once the normal standard range and related calculation formulas are mastered, you can monitor whether your child's development is within the normal range at any time. If it is lower than the normal standard range, you should carefully look for the reasons.

1. Weight calculation formula

(1) The formula for calculating weight gain within one year after birth: Growth is rapid during this period, especially in the first 3 months. The following growth rates can be used as reference:

1~3 months old: Increase about 200~180 grams per week.

4-6 months old: Gain about 180-150 grams per week.

7~9 months old: Gain about 120~90 grams per week.

10-12 months old: Gain approximately 90-60 grams per week.

Weight (g) from 1 to 6 months after birth = [weight at birth (g) + age in months × 600]

Weight (g) at 7-12 months after birth = [weight at birth (g) + age in months × 500]

(2) Formula for calculating average weight after one year old

Standard weight (kg) = [(age × 2) + 7 (or 8)] = 11 (or 12)

Example: Weight of a 2-year-old child (kg) = [(2×2) + 7 (or 8)] = 11 (or 12)

Generally, boys are heavier than girls before the age of 10, girls are heavier than boys between the ages of 10 and 16, and then boys are heavier than girls again. The growth rate is not necessarily uniform and is affected by many factors.

2. Height calculation formula

The growth in height is also fastest in the first six months. That is, within 6 months after birth, the average monthly length is about 2.5 cm. Within 12 months after birth, the average growth rate is about 1.2 cm per month. The average height after 1 year old can be calculated according to the following formula:

Height (cm) = [(age × 5) + 80]

Example: The approximate height of a 2-year-old child (cm) = [(2×5)+80] = 90

There are many factors that affect body growth, and the growth of height is not very uniform, some grow early, some grow late, until the end of sexual maturity, that is, 20-24 years old for males and 19-23 years old for females, the growth of height stops completely.

The above method can be said to be the simplest measurement standard. You can easily help your baby measure his height and weight at home, and it is not difficult. Please write down these standards and measure your baby regularly every month to keep track of your baby's growth progress. This way, we can easily adjust the diet and lifestyle for your baby to help him thrive.