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  2. File:CDC growth chart boys birth to 36 mths cj41c017.pdf

    en.wikipedia.org/wiki/File:CDC_growth_chart_boys...

    Short title: Birth to 36 months: Boys, Length-for-age and Weight-for-age percentiles: Image title: CDC Growth Charts: United States: Author: NCHS: Keywords

  3. Puberty - Wikipedia

    en.wikipedia.org/wiki/Puberty

    Maximal adult height is achieved at an average age of 15 years for an average female and 18 years for an average male. Potential fertility (sometimes termed nubility) usually precedes completion of growth by 1–2 years in females and 3–4 years in males. Stage 5 typically represents maximal gonadal growth and adult hormone levels.

  4. Adolescence - Wikipedia

    en.wikipedia.org/wiki/Adolescence

    [1] [2] Adolescence is usually associated with the teenage years, [3] [4] but its physical, psychological or cultural expressions may begin earlier or end later. Puberty typically begins during preadolescence, particularly in females. [4] [5] Physical growth (particularly in males) and cognitive development can extend past the teens. Age ...

  5. All About Us: Living and Growing - Wikipedia

    en.wikipedia.org/wiki/All_About_Us:_Living_and...

    All About Us: Living and Growing is a British Sex and Relationships Education series for 5–13 year olds published by Channel 4 on VHS and DVD. The series is often referred to by its short name of Living and Growing. It covers the differences between a boy and a girl, Puberty, how babies are made and how babies are born. The programmes were ...

  6. Bone age - Wikipedia

    en.wikipedia.org/wiki/Bone_age

    Images in the Greulich and Pyle atlas came from healthy white boys and girls enrolled in the Brush Foundation Study for Human Growth and Development between the years 1931 and 1942. [ 2 ] [ 5 ] To assign a bone age to the patient under review, a radiologist compares the patient's hand and wrist x-ray to images in the Greulich and Pyle atlas.

  7. Child development stages - Wikipedia

    en.wikipedia.org/wiki/Child_development_stages

    Typically grows at a similar rate to the previous month, usually growing between 1 and 1.5 inches (2.5 and 3.8 cm) and gaining about 2 pounds (910 g). [ 23 ] Resting heart rate is usually between 80 and 160 beats per minute, and it typically stays within that range until the infant is about one year old.

  8. Human brain development timeline - Wikipedia

    en.wikipedia.org/wiki/Human_brain_development...

    Cortical white matter increases from childhood (~9 years) to adolescence (~14 years), most notably in the frontal and parietal cortices. [8] Cortical grey matter development peaks at ~12 years of age in the frontal and parietal cortices, and 14–16 years in the temporal lobes (with the superior temporal cortex being last to mature), peaking at about roughly the same age in both sexes ...

  9. Delayed puberty - Wikipedia

    en.wikipedia.org/wiki/Delayed_puberty

    Puberty is considered delayed when the child has not begun puberty when two standard deviations or about 95% of children from similar backgrounds have. [7] [8] [9]In North American girls, puberty is considered delayed when breast development has not begun by age 13, when they have not started menstruating by age 15, [2] and when there is no increased growth rate. [8]