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As they physically develop, gaining weight in several areas of the body, early-maturing girls usually look larger than girls who have not yet entered puberty. Growth finishes and adult height is attained as the estradiol levels complete closure of the epiphyses. As the estradiol levels gradually rise and the other autoamplification processes occur, a point of maturation is reached when the feedback sensitivity of the hypothalamic "gonadostat" becomes positive. Thelarche Development Lactation Breastfeeding. Leptin has receptors in the hypothalamus which synthesizes GnRH. The remaining testosterone, together with adrenal androgens is responsible for the typical androgenic changes of female puberty. The essential roles of estrogens in pubertal growth, epiphyseal fusion and bone turnover.

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Some of the least understood environmental influences on timing of puberty are social and psychological. Clinical features and management of recurrent balanitis. Physiology of puberty". The sequence of events of pubertal development can occasionally vary. Please help improve this article by adding citations to reliable sources. The specific genes affecting timing are not yet known. Early puberty also correlates with increased sexual activity and a higher instance of teenage pregnancy, both of which can lead to depression and other psychosocial issues.

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In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones , muscle , blood , skin , hair , breasts , and sex organs. The primary clinical significance of the distinction between adrenarche and gonadarche is that pubic hair and body odor changes by themselves do not prove that central puberty is underway for an individual child. A simple description of hormonal puberty is as follows.. Rising levels of estradiol produce the characteristic estrogenic body changes of female puberty. Nutritional disorders. The most important of the environmental influences is clearly nutrition, but a number of others have been identified, all which affect timing of female puberty and menarche more clearly than male puberty.

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