Abortion rates are at their lowest since Between 2008 and 2011 when it was legalized . 1973 , the abortion rate fell 4 % . Several variables affect abortion rates , including the economy and access to contraception . `` as much as 20 unborn children are still killed Between 2008 and 2011 , '' National Right to Life says .
Abortion rates are at their lowest since 1973 when it was legalized . Between 2008 and 2011 , the abortion rate fell 13 % . Several variables affect abortion rates , including the economy and access to contraception . `` 3,000 unborn children are still killed every day , '' National Right to Life says .