Symptoms of physical retardation in children?

summary

Human growth and development refers to the maturation process from fertilized egg to adult. Growth and development are important characteristics of children different from adults. Growth refers to the growth of various organs and systems of children's body, which can be represented by corresponding measurement values; Development refers to the differentiation and functional maturation of cells, tissues and organs. Growth and development are closely related. Growth is the material basis of development. The change of growth quantity can reflect the maturity of body organs and systems to a certain extent. Symptoms of physical retardation in children? Let's talk about it

Symptoms of physical retardation in children?

Weight: the average weight of the newborn at birth is 3 kg, which has a trend of increasing in recent years, but it is normal to weigh 2.5 kg at birth. At 5 months after birth, she weighs about 6 kg. The average weight at the age of one is 9 kg. 12 kg at the age of two. The rule of weight gain in the future is: weight (kg) = age × 2 8。 But there are individual differences in children, if the weight is lower than this standard is not necessarily sick, should ask a doctor to check.

Height: the height of the newborn at birth is about 50 cm, if the height at birth is less than 45 cm, it is dysplasia. At the age of one, the average height was 75 cm. It was 85 cm at the age of 2. After height growth rule: height (CM) = 75 years old × 5。

Head circumference: in children, head circumference is the reflection of brain and skull development, and is an important indicator for the diagnosis of nervous system diseases and bone development. It was 34 cm at birth and 4 cm at 1 year old. 46-48 cm at 2 years old. It's 50 centimeters by the age of five. Within one year after birth, it grows by 12 cm, and then slows down. The fontanelle was open for about one and a half years after birth, and closed for about one and a half months. After that, the anterior fontanelle gradually shrinks and closes completely in 14-18 months. Fontanelle closed too early or too late are sick, too early when the head circumference is too small to form microcephaly, too late is often one of the manifestations of rickets. If the fontanelle is not closed after 2 years old, the reason should be checked.

matters needing attention

The growth and development of a baby is related to a lifetime. Baopa and Baoma must not be negligent. Observe more and care more!