What sexual behaviors put teens at risk for HIV infection, other STDs, and pregnancy?
Unprotected sexual intercourse and multiple sex partners place young people at risk for HIV infection, other STDs, and pregnancy. Each year, approximately three million cases of sexually transmitted diseases (STDs) occur among teenagers and approximately one million teenagers become pregnant. In 1997, 48% of high school students had ever had sexual intercourse, 16% of high school students had had four or more sex partners during their lifetime, and 43% of sexually active high school students did not use a condom at last sexual intercourse.
