<sod>In 2000, 0.17% (2,232 of 1,313,000) of all abortions in the United States were performed using this procedure,<ref>Guttmacher.org [http://www.guttmacher.org/pubs/journals/3500603.html Abortion Incidence and Services in the United States in 2000]</ref> however, it has developed into a focal point of the [[abortion debate]]. It was outlawed in most cases by the 2003 [[Partial-Birth Abortion Ban Act]], which was upheld in the case of ''[[Gonzales v. Carhart]]''.<ref name=Gonzales/><ref name=naf>{{cite book |title = Management of Unintended and Abnormal Pregnancy |year = 2011 |first1 = Maureen |last1 = Paul |first2 = Steve |last2 = Lichtenberg |first3 = Lynn |last3 = Borgatta |first4 = David A. |last4 = Grimes |first5 = Phillip G. |last5 = Stubblefield |first6 = Mitchell D. |last6 = Creinin |publisher = John Wiley and Sons}}</ref><eod>
<sod>In 2000, although only 0.17% (2,232 of 1,313,000) of all abortions in the United States were performed using this procedure,<ref>Guttmacher.org [http://www.guttmacher.org/pubs/journals/3500603.html Abortion Incidence and Services in the United States in 2000]</ref> it has developed into a focal point of the [[abortion debate]]. It was outlawed in most cases by the 2003 [[Partial-Birth Abortion Ban Act]], which was upheld in the case of ''[[Gonzales v. Carhart]]''.<ref name=Gonzales/><ref name=naf>{{cite book |title = Management of Unintended and Abnormal Pregnancy |year = 2011 |first1 = Maureen |last1 = Paul |first2 = Steve |last2 = Lichtenberg |first3 = Lynn |last3 = Borgatta |first4 = David A. |last4 = Grimes |first5 = Phillip G. |last5 = Stubblefield |first6 = Mitchell D. |last6 = Creinin |publisher = John Wiley and Sons}}</ref><eod>