Medicine: abuse patterns often begin in the teenage years

Among those surveyed, 13 percent of teenage girls, admit to being physically injured or hit and one in four report being pressured to perform oral sex or engage in intercourse, according to the survey by the private research group Teenage Research Unlimited.

I'd be somewhat interested in the rates of teenage guys, as I imagine it might be much higher than in adult males. Teenagers are vulnerable period, and the issue might be an entirely different one within the volatility of adolescence.