Most Popular. Oral sex gaining ground among adolescents. Researchers gathered the data from September to September in interviews with 20, men and women, including 4, teenagers. Sara is a staff writer for Live Science, covering health. Teens Tell All in candid talks about drugs, sexting and hooking up Nov. Depression Worsening in Teens, Especially Girls. There is no one reason for the decline in teen sexual activity, but previous studies have credited sex education and popular shows like "Teen Mom" and "16 and Pregnant. Final Data for Send a copy to myself. Sexual experience varied with living conditions. Keywords intercourse. The majority of teens in the survey said tumblr sexy chubby girls when they had sex for the first timeit was with someone with whom they were in a relationship: A review of national data indicates that more teens are using contraception: Breaking News Emails Get breaking news alerts and special reports. Pregnant at Breaking News Emails Get breaking news alerts and special reports. According to the lead author, Joyce C. It went on to say 21 percent of all new HIV diagnoses in the U.