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  2. Average human height by country - Wikipedia

    en.wikipedia.org/wiki/Average_human_height_by...

    Country / region Average male height Average female height Stature ratio (male to female) Sample population / age range Share of pop. over 18 covered [9] [10] [b] Method

  3. Human height - Wikipedia

    en.wikipedia.org/wiki/Human_height

    The average height of 19-year-old Dutch orphans in 1865 was 160 cm (5 ft 3 in). [77] From 1830 to 1857, the average height of a Dutch person decreased, even while Dutch real GNP per capita was growing at an average rate of more than 0.5% per year. The worst decline was in urban areas that in 1847, the urban height penalty was 2.5 cm (1.0 in).

  4. Tanner scale - Wikipedia

    en.wikipedia.org/wiki/Tanner_scale

    2 Height. 3 Historical data. 4 ... on average at the age of 14.9 years and girls around the age of 14 depending on social class ... that number has decreased to 12 or ...

  5. Development of the human body - Wikipedia

    en.wikipedia.org/wiki/Development_of_the_human_body

    Until the maturation of their reproductive capabilities, the pre-pubertal physical differences between boys and girls are the external sex organs. On average, girls begin puberty around ages 10–11 and end puberty around 15–17; boys begin around ages 11–12 and end around 16–17.

  6. Growth chart - Wikipedia

    en.wikipedia.org/wiki/Growth_chart

    MPH is given by (mother’s height + father’s height) divided by 2. MPH is unisex. Boys need an upward correction, girls need a downward correction. In view of an average height difference between adult men and women of 13 cm, TH for boys is usually given by MPH + 6.5cm, TH for girls by MPH - 6.5cm.

  7. Puberty - Wikipedia

    en.wikipedia.org/wiki/Puberty

    The average age at which puberty begins may be affected by ethnicity as well. For example, the average age of menarche in various populations surveyed has ranged from 12 [58] [59] [60] to 18 years. The earliest average onset of puberty is for African-American females and the latest average onset for high altitude subsistence populations in Asia.

  8. Adolescence - Wikipedia

    en.wikipedia.org/wiki/Adolescence

    The average age of onset of puberty is 10–11 for girls and 11–12 for boys. [10] [11] Every person's individual timetable for puberty is influenced primarily by heredity, although environmental factors, such as diet and exercise, also exert some influences. [12] [13] These factors can also contribute to precocious and delayed puberty. [14] [13]

  9. Weight and height percentile - Wikipedia

    en.wikipedia.org/wiki/Weight_and_Height_Percentile

    By doing this, doctors can track a child's growth over time and monitor how a child is growing in relation to other children. There are different charts for boys and girls because their growth rates and patterns differ. For both boys and girls there are two sets of charts: one for infants ages 0 to 36 months and another for ages 2 and above.

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