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Teens and Sex
![Thumbnail Image:When Do U.S. Youths Start Oral Sex, Intercourse?](https://webarchive.library.unt.edu/web/20130104100506im_/http://img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/article_thumbnails/news/2012/08_2012/oral_sex_report/69x75_oral_sex_report.jpg)
When Do U.S. Youths Start Oral Sex, Intercourse?
A new CDC study for the first time reports on how many young people in their teens and early 20s have oral sex or sexual intercourse -- and when they begin these sexual activities with opposite-sex partners.