US Teen Pregnancies Lowest Level in 20 Yearshttp://articles.mercola.com/sites/articles/archive/2001/06/23/teen-pregnancies.aspxIncreasing use of contraception and a "leveling off" of youth sexual activity have reduced US teen pregnancy rates to numbers not seen since the mid-1970s. According to the CDC, the percentage of US girls aged 15 to 19 who became pregnant beganenCommunityServer 2008.5 SP1 (Build: 31106.3070)