Child development stages?

Tips Growth is the process by which an individual's weight and height are primarily increased, in addition to other changes that accompany maturation; Hair and teeth growth, etc. During the first year of his life, the length of the infant increases by approximately (25) cm, and its weight triples. Growth begins to slow after the age of one year, and when the child reaches his second year, the rate of increase in height is approximately (6) cm each year until he reaches puberty. at puberty; That is, at the age of (8/13) years for females, and (10/15) years for males, a major jump occurs in the rate of growth. This mutation is associated with sexual development and the onset of menstruation in females. Physical maturity or completion of development occurs at the age of approximately (15) years in females, and at the age of (15) or (16) years in males. Beginning in childhood, the doctor conducts regular examinations of the child, during which he records the height and weight on a graphic curve called the child’s growth chart or curve so that the doctor can determine whether the child’s growth rate is normal or not.
The growth rate of children varies from one child to another, depending on several factors, including: sex, dietary habits, physical activity, health problems, environment, and hormones.