Such programs should include both victimization-based and perpetration-based activities, since the evidence on the relatively mutual nature of dating violence in adolescence points in this direction.
Puberty involves a series of physical stages or steps that lead to the achievement of fertility and the development of the so-called secondary sex characteristics, the physical features associated with adult males and females (such as the growth of pubic hair).
The facts and statistics provided below are selections from studies and provide factual information based on the research team’s findings.
The information is not intended to diminish the possibility of risk to you or someone you know.
For example, the average age of the onset of menstrual periods in girls was 15 in 1900.
By the 1990s, this average had dropped to 12 and a half years of age.