In 2008 the teen pregnancy rate among African-American and Hispanic teen girls, age 15 to 19, was over two and a half times higher than the teen pregnancy rate among white teen girls of the same age group. 8. 8 out of 10 teen dads don’t marry the mother of their child. 9. A sexually active teen who doesn’t use contraceptives has a 90 percent chance of becoming pregnant within a year. 10.