OBJECTIVE To provide clinically meaningful, normative reference data that describe the timing of sexual maturity indicators among a national sample of US children and to determine the degree of racial/ethnic differences in these estimates for each maturity indicator. METHODS Tanner staging assessment of sexual maturity indicators was recorded from 4263 non-Hispanic white, black, and Mexican A...

the age of criminal responsibility of children in the islamic penalties act has been determined as religious bulugh (puberty) nasab. according to this, criminal authorities hold girls criminally liable and punishable at 9 complete lunar years and boys at 15 complete lunar years. unfortunately, our legislator has set criminal responsibility of children based on sexual maturity; therefore, thousa...

Age at maturity has been suggested to be an important life-history trait with substantial potential for influencing the evolution of life histories. Using known reproductive histories of 90 female wood ducks (Aix sponsa) from a long-term study (1982–96), we investigated the fitness consequences of changes in age at maturity. Female wood ducks that attained sexual maturity as yearlings had a sig...

The age of criminal responsibility of children in the Islamic Penalties Act has been determined as religious Bulugh (puberty) Nasab. According to this, criminal authorities hold girls criminally liable and punishable at 9 complete lunar years and boys at 15 complete lunar years. Unfortunately, our legislator has set criminal responsibility of children based on sexual maturity; therefore, thousa...

This paper shows new evidence of a steady long-term decline in age of male sexual maturity since at least the mid-eighteenth century. A method for measuring the timing of male maturity is developed based on the age at which male young adult mortality accelerates. The method is applied to mortality data from Sweden, Denmark, Norway, the United Kingdom, and Italy. The secular trend toward earlier...