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"Puberty", painting by Edvard Munch (1895).

Puberty is the phase of sexual development by which a child's body becomes an adult body capable of reproduction. Puberty is initiated by hormone signals from the brain to the gonads (the ovaries and testes). In response, the gonads produce a variety of hormones that stimulate the growth, function, or transformation of brain, bones, muscle, skin, breasts, and reproductive organs.

The age at which puberty begins can vary widely between individuals and between populations. Age of puberty is affected by both genetic factors and by environmental factors such as nutritional state or social circumstances. Timing may also be affected by environmental factors (exogenous hormones and environmental substances with hormone-like effects) and there is even evidence that life experiences may play a role as well. On average, puberty is typically from around age 9 to 14 in girls and from around age 10 to 17 for boys.

Puberty in art[edit]

Pubescent boys and girls are often featured in art, from Greek and Roman sculptures and frescos to 21th century manga and anime. An example of a sculpture depicting puberty is the following work by the Czech sculptor Jan Štursa (1905):

Growth and change of body proportions[edit]

Growth accelerates in the first half of puberty and stops at the completion of puberty. Before puberty, body differences between boys and girls are almost entirely restricted to the genitalia. During puberty, major differences of size, shape, composition, and function develop in many body structures and systems. The most obvious of these are referred to as secondary sex characteristics (such as body and facial hair, stature, shoulder width, hip width, location of fat deposits, waist-to-hip ratio, muscle mass and strength, and voice).

Specific terms[edit]

  • prepubescent - a child before puberty
  • pubescent - a child during puberty
  • postpubescent - a child/adult after puberty
  • gonadarche - beginning of gonadal changes (testicular/ovarian growth)
  • menarche - beginning of menstrual bleeding in females
  • thelarche - beginning of breast development in females
  • pubarche - beginning of pubic hair growth

Historical shift[edit]

The age at which puberty occurs has dropped significantly since the 1840s. Researchers refer to this drop as the 'secular trend'. From 1840 through 1950, in each decade there was a drop of four months in the average age of menarche among Western European female samples. In Norway, girls born in 1840 had their first menarche at average 17 years. In France in 1840 the average was 15.3 years. In England the 1840 average was 16.5 years for girls. In Japan the decline happened later and was then more rapid: from 1945 to 1975 in Japan there was a drop of 11 months per decade.

Puberty and sexuality[edit]

Puberty is also the age in which a person, when affected, often realizes they have a sexual paraphilia, fetish or other 'unusual' variant of sexuality. The disposition often goes back to many years earlier, but the child may not realize their 'special interest' is of a sexual nature until they observe their own erogenous responses connected to it.

Sexual behavior in puberty usually includes exploring one's body, genital play, masturbation (especially in boys), reading and viewing first sexual media. Sex with a partner usually doesn't begin until adolescence, postpubescence or adulthood.

In the case of spankophiles, spanking fantasies can become great in puberty; some also experiment with self-spanking and/or seek partners to get spanked by, or to spank. The fetish might also be expressed in first spanking stories and/or spanking drawings, see children's spanking drawings.

See also[edit]

Smallwikipedialogo.png This page uses content from Wikipedia. The original article was at Puberty. The list of authors can be seen in the page history. As with Spanking Art, the text of Wikipedia is available under a copyleft license, the Creative Commons Attribution Sharealike license.