From Parenting 24/7: University of Illinois Extension
Half of teen girls have STIs by 2 years of first sex
Posted Dec 29, 2009, updated Dec 29, 2009.
NEW YORK (Reuters Health) - Within 2 years of having sex for the first time, half of teenage girls may be at least one of three common sexually transmitted infections (STIs), according to results of a study published today. Often, those girls are infected by the age of 15.
Read the Reuters article.