Teenage pregnancies and syphilis have risen sharply among a generation of American school girls who were urged to avoid sex before marriage under George Bush's evangelically-driven education policy. The Centres for Disease Control says years of falling rates of teenage pregnancies and sexually transmitted disease infections under previous administrations were reversed or stalled in the Bush years. According to the CDC, birth rates among teenagers aged 15 or older had been in decline since 1991 but are up sharply in more than half of American states since 2005. The study also revealed that the number of teenage females with syphilis has risen by nearly half after a significant decrease while a two-decade fall in the gonorrhea infection rate is being reversed. The number of Aids cases in adolescent boys has nearly doubled. The CDC says that southern states, ... abstinence and religion, tend to have the highest rates of teenage pregnancy and STDs...