March 2016 Research Article Declines in unintended pregnancy in the United States, 2008–2011 Lawrence B. Finer and Mia R. Zolna New England Journal of Medicine
March 2016 News Release Steep Drop in Unintended Pregnancy Is Behind the 2008–2011 U.S. Abortion Decline
March 2016 Research Article Supplemental Table: Declines in Unintended Pregnancy in the United States, 2008–2011 New England Journal of Medicine
March 2016 News Release U.S. Unintended Pregnancy Rate Falls to 30-Year Low; Declines Seen in Almost All Groups, but Disparities Remain
March 2016 Infographic Even when taking income into account, unintended pregnancy rates are high among black women in the U.S.