These rates are at their lowest since 1973 when it was legalized . Between 2008 and 2012 , the abortion rate fell 13 % . Several factors affect abortion rates , including the prevalence and access to contraception . However , they may contribute to a change in abortion rates in the future . ` ` 3,000 unborn babies are still killed every day , '' National Right to Life Foundation .
These rates are at their lowest since 1973 when it was legalized . Between 2008 and 2012 , the abortion rate fell 13 % . Several factors affect abortion rates , including the prevalence and access to contraception . ` ` 3,000 unborn babies are still killed every day , '' National Right to Life Foundation .