Sexual Activity. How many teens are choosing not to have sex? Based on the Youth Risk Behavior Surveillance (YRBS) data, over half (59%) of all.
NEW YORK, NY — More than half of U.S. teenagers have had sex by in a report released today from the National Center for Health Statistics.
National Center for Health Statistics. Among teen females aged , 42% had ever had sex, and among teen males, the percent was 44%.
Health consequences include HIV, STDs, and teen pregnancy. 15 to More than 46% of sexually active high school students did not use a condom the last time they had sex. . Hyattsville, MD: National Center for Health Statistics.