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The following year, Paul Mussen and Mary Cover Jones (1958) replicated the study using late and early maturing adolescent girls. [14] The researchers had different hypotheses for the girls than the boys. The advantageous socio-psychological environments that boys were exposed to for maturing earlier were different for early maturing girls.
Early-maturing males develop "more aggressive, law-breaking, and alcohol abusing" behaviors, which result in anger towards parents and trouble in school and with the police. 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.
In addition, girls may have to deal with sexual advances from older boys before they are emotionally and mentally mature. [30] In addition to having earlier sexual experiences and more unwanted pregnancies than late maturing girls, early maturing girls are more exposed to alcohol and drug abuse.
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]
Early puberty also puts girls at a higher risk for teasing or bullying, mental health disorders and short stature as adults. [19] [39] [56] Girls as young as 8 are increasingly starting to menstruate, develop breasts and grow pubic and underarm hair; these "biological milestones" typically occurred only at 13 or older in the past. African ...
Roman girls were expected to remain virgins until marriage, but boys were often introduced to heterosexual behaviors by a prostitute. [7] The higher the social rank of a girl, the sooner she was likely to become betrothed and married. [8] The general age of betrothal for girls of the upper classes was fourteen, but for patricians as early as ...
The data gathered led to the development of the modern growth chart, used by paediatricians around the world to monitor the pattern of growth in children through adolescence, with separate curves measuring the growth trajectory for boys and girls identified as maturing early, normal or late. [5]
Sexual maturity is the capability of an organism to reproduce.In humans, it is related to both puberty and adulthood. [1] Puberty is the biological process of sexual maturation, while adulthood, the condition of being socially recognized as an independent person capable of giving consent and taking responsibility, generally implies sexual maturity (certain disorders of sexual development ...