Physical Development of Children from 12 to 18 Years: Puberty, Growth Spurt, Menstruation, and Body Image

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This presentation discusses the physical development of children from 12 to 18 years old, including puberty, growth spurt, menstruation, and body image. It covers the onset of puberty, adolescent growth spurt, and menarche in girls, and the development of boys. The presentation also highlights the impact of these changes on body image and self-esteem.

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PHYSICAL DEVELOPMENT OF
CHILDREN DURING THE AGE GTOM
12 YEARS TO 18 YEARS

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Introduction:
Adolescence is the word that is mainly used to describe the transition
between the childhood as well as adulthood
encompasses the age from twelve to that of nineteen
tremendous change as well as discovery of the individuals as at this stage,
emotional, physical and even intellectual growth takes place at a dizzying
speed
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Puberty:
the time of the adolescence when rapid physical development takes place
by the signaling of the end of childhood and the beginning of the sexual
maturity
begin at different period in case of different people, the boys and girls
after the completion of this phase becomes matured enough for sexual
reproduction
speed may vary from one to another
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Puberty (contd.)
hormones are mainly seen to be the contributing factor for the
development
development of the primary sex characters that involves the structures
that are directly involved in sexual reproduction
secondary sex character development that mainly involves the secondary
sex characters which are actually the structures that are indirectly
involved in reproduction

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Onset of puberty:
the pituitary gland is mainly seen to stimulate the hormonal modifications
throughout the body
includes the adrenal, endocrine and even sexual glands
the timing of the puberty is the result from the combination of genetic,
environmental as well as the health factors
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Adolescent growth spurt:
Adolescent growth spurt is one of the early sign of maturation that
includes a high level increase in mainly the height as well as weight
female growth spurt is mainly seen to begin between ages 10 and 14 and
is mainly seen to end by the age of 16
male growth spurt is seen to begin between the ages of 10 and 16 and is
mainly seen to end by the age of 18
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Menstruation and menarche
Girls generally are seen to begin puberty a few years before that of boys
Increase in the levels of estrogen help in triggering the beginning of
puberty in the girls
Growing much taller and
their hips are also seen to get widened

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Menstruation and menarche (in girls)
breasts are seen to become rounder as well as larger
Hairs grow on the legs
their uterus is seen to get enlarged
hairs grown in their armpit, around their genitals
labia is seen to thicken
and their clitoris is seen to elongate
Acne and pimple are common in this stage.
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menarche
Around the age of 12 to 13, girls are seen to be menstruating
This period is called menarche
females have capability to be pregnant
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Boys and their development:
males are seen to have increased levels of the hormone called
testosterone
Triggering in the beginning of puberty in males around the age 12 and 14
be taller in height, heavier in weight and even stronger
voices are seen to deepen
shoulders are seen to broaden

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Boys and their development:
hair grows under the arms as well as on the face and even on their
genitals and other parts of the body
testes are seen to produce sperms
penis and other reproductive organs also enlarged
can experience harmless release of semen during the periods of sleep
called the wet dreams nocturnal emissions
Acne and pimple are common in this stage.
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Body image:
boys believe that their sexual appeal is mainly based upon the ability for
the development of their bodies
tends to have higher self-esteem
become confident with their ability for controlling their own lives
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Body image: (Girls)
females who are in the post menarche are seen to experience
dissatisfaction with their new size and shape
are seen to lead to feelings of inadequacy
loss of control and decreased self esteem

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Conclusion:
individuals belonging to the age range of 12 to 18 are seen to experience
puberty in this age
production of hormones
matured reproductive organs along with development of breast,
broadening of hips, growth of pubic hair and others
Menstruation is an important aspect of this age in females
males are also seen to develop sexually with appearance of pigmented
skin, voice change, deepening of voice, changes in hormones enlargement
of genitals and others
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References:
Cattuzzo, M. T., dos Santos Henrique, R., Ré, A. H. N., de Oliveira, I. S., Melo, B. M., de Sousa Moura, M.,
... & Stodden, D. (2016). Motor competence and health related physical fitness in youth: A systematic
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Ivashchenko, O., Khudolii, O., Iermakov, S., Lochbaum, M. R., Cieslicka, M., Zukow, W., ... & Yermakova,
T. (2016). Intra-group factorial model as the basis of pedagogical control over motor and functional
fitness dynamic of 14-16 years old girls. Journal of Physical Education and Sport, 16(4), 1190.
Karmiloff-Smith, A. (2018). Development itself is the key to understanding developmental disorders.
In Thinking Developmentally from Constructivism to Neuroconstructivism(pp. 97-117). Routledge.
Noble, K. G., Houston, S. M., Brito, N. H., Bartsch, H., Kan, E., Kuperman, J. M., ... & Schork, N. J. (2015).
Family income, parental education and brain structure in children and adolescents. Nature
neuroscience, 18(5), 773.
Pecora, P., Whittaker, J., Barth, R., Maluccio, A. N., DePanfilis, D., & Plotnick, R. D. (2017). The child
welfare challenge: Policy, practice, and research. Routledge.
Prado, E. L., & Dewey, K. G. (2014). Nutrition and brain development in early life. Nutrition
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Simmons, R. G. (2017). Moving into adolescence: The impact of pubertal change and school context.
Routledge.
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