10 Ağustos 2010 Salı

Adolescent Growth and Development

Growth height




After the first four years the growth rate was similar in boys and girls in the 5-7 cm per year as a relatively stable trend indicates. With the start of adolescence with symptoms of sex hormone effects of increasing body mass with a marked acceleration in space is seen throughout.



Puberty in girls compared with boys starts earlier than two years. Therefore, the growth acceleration in girls is earlier. Girls between the ages of 10-12 are larger than males. During puberty, growth is most rapid "growth rate peak of" average years in girls and 9 cm, 10.5 cm in men in the average year. Later in the process of puberty onset in boys growing up in a period of roughly two saves. Depending on the impact of heredity factors reach the age of puberty is highly variable growth rates seen in the peak years of a child varies from one to another. Therefore, two of the same age of the child's symptoms of puberty has not begun by the great differences in height and body structure that is natural.



Height gradually slow in the last phase of prolonged adolescence, girls 16-18, boys 18-20 years of age in almost stops. Some 30 people live, but growth continues until the keel due to an increase of 3-4 mm can be observed.

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