1. Disparities in rates of unintended pregnancy in the United States;Finer;Perspectives on Sexual and Reproductive Health,1994
2. Logan C et al The consequences of unintended childbearing: a white paper 2007 http://www.childtrends.org/Files/Child_Trends-2007_05_01_FR_Consequences.pdf accessed
3. The effects of unintended pregnancy on infant, child, and parental health: a review of the literature;Gipson;Studies in Family Planning,2008
4. Finer LB Lindberg L Guttmacher Institute special tabulations of unpublished data 2010
5. Special tabulations of data from the 2002 National Survey of Family Growth.