[[Gonorrhea]], another very common STD, may also have this risk. A majority of US teenagers who admit to having sex are infected with an STD.<ref>4 out of 10 teenagers are sexually active; over half of this 40% (25% of all teenagers) have an STD.[http://host.madison.com/ct/news/local/health_med_fit/article_96d0ee57-e3dc-59d7-a5ec-e5cbc5b71ffc.html]</ref> There are 820,000 new cases each year in the U.S.<ref name="piyl"></ref> | [[Gonorrhea]], another very common STD, may also have this risk. A majority of US teenagers who admit to having sex are infected with an STD.<ref>4 out of 10 teenagers are sexually active; over half of this 40% (25% of all teenagers) have an STD.[http://host.madison.com/ct/news/local/health_med_fit/article_96d0ee57-e3dc-59d7-a5ec-e5cbc5b71ffc.html]</ref> There are 820,000 new cases each year in the U.S.<ref name="piyl"></ref> |