1 Bradshaw , Z , Slade , P . The effects of induced abortion on emotional experiences and relationships: a critical review of the literature . Clin Psychol Rev 2003 ; 23 : 929–58.

2 Coleman , PK . Induced abortion and increased risk of substance use: a review of the evidence . Curr Women's Health Rev 2005 ; 1 : 21 – 34 .

3 Coleman , PK , Reardon , DC , Strahan , TS , Cougle , JR . The psychology of abortion: a review and suggestions for future research . Psychol Health 2005 ; 20 : 237–71.

4 Thorp , J , Hartman , K , Shadigan , E . Long-term physical and psychological health consequences of induced abortion: review of the evidence . Obstet Gynecol Surv 2003 ; 58 : 67 – 79 .

5 American Psychological Association Task Force on Mental Health and Abortion . Report of the American Psychological Association Task Force on Mental Health and Abortion . APA , 2008 .

6 Charles , VE , Polis , CB , Sridhara , SK , Blum , RW . Abortion and long-term mental health outcomes: a systematic review of the evidence . Contraception 2008 ; 78 : 436–50.

7 Robinson , GE , Stotland , NL , Russo , NF , Lang , JA , Occhiogrosso , M . Is there an ‘abortion trauma syndrome’? Critiquing the evidence . Harv Rev Psychiatry 2009 ; 17 : 268–90.

8 Kost , K , Forrest , JD . Intention status of US births in 1988: differences by mothers' socioeconomic and demographic characteristics . Fam Plann Perspect 1995 ; 27 : 11–7.

9 Squires , S . Most pregnancies unplanned or unwanted, study says . Washington Post 1995 ; 11 : 7 .

10 Coleman , PK . Resolution of unwanted pregnancy during adolescence through abortion versus childbirth: individual and family predictors and consequences . J Youth Adolesc 2006 ; 35 : 903–11.

11 Henshaw , R , Naji , S , Russell , I , Templeton , A . Psychological responses following medical abortion (using mifepristone and gemeprost) and surgical vacuum aspiration: a patient-centered, partially randomized prospective study . Acta Obstet Gynec Scand 1994 ; 73 : 812–8.

12 Lauzon , P , Roger-Achim , D , Achim , A , Boyer , R . Emotional distress among couples involved in first trimester abortions . Can Fam Physician 2000 ; 46 : 2033–40.

13 Lyndon , J , Dunkel-Schetter , C , Cohan , CL , Pierce , T . Pregnancy decision making as a significant life event: a commitment approach . J Pers Soc Psychol 1996 ; 71 : 141–51.

14 Major , B , Cozzarelli , C , Cooper , ML , Zubek , J , Richards , C , Wilhite , M , et al. Psychological responses of women after first trimester abortion . Arch Gen Psychiatry 2000 ; 57 : 777–84.

15 Major , B , Cozzarelli , C , Sciacchitano , AM , Cooper , ML , Testa , M , Mueller , PM . Perceived social support, self-efficacy, and adjustment to abortion . J Pers Soc Psychol 1990 ; 59 : 186–97.

16 Miller , WB . An empirical study of the psychological antecedents and consequences of induced abortion . J Soc Issues 1992 ; 48 : 67 – 93 .

17 Miller , WB , Pasta , DJ , Dean , CL . Testing a model of the psychological consequences of abortion . In The New Civil War: The Psychology, Culture, and Politics of Abortion (eds Beckman , LJ , Harvey , SM ): pp. 235–67. American Psychological Association , 1998 .

18 Reardon , DC , Coleman , PK . Relative treatment rates for sleep disorders following abortion and childbirth: a prospective record-based study . Sleep 2006 ; 29 : 105–6.

19 Slade , P , Heke , S , Fletcher , J , Stewart , PA . Comparison of medical and surgical methods of termination of pregnancy: choice, psychological consequences, and satisfaction with care . Br J Obstet Gynaecol 1998 ; 105 : 1288–95.

20 Coleman , PK , Coyle , CT , Shuping , M , Rue , VM . Induced abortion and anxiety, mood, and substance abuse disorders: isolating the effects of abortion in the National Comorbidity Survey . J Psychiatr Res 2009 ; 43 : 770–6.

21 Dingle , K , Alati , R , Clavarino , A , Najman , JM , Williams , GM . Pregnancy loss and psychiatric disorders in young women: an Australian birth cohort study . Br J Psychiatry 2008 ; 193 : 455–60.

22 Fergusson , DM , Horwood , LJ , Boden , JM . Abortion and mental health disorders: evidence from a 30-year longitudinal study . Br J Psychiatry 2008 ; 193 : 444–51.

23 Fergusson , DM , Horwood , LJ , Ridder , EM . Abortion in young women and subsequent mental health . J Child Psychol Psychiatry 2006 ; 47 : 16 – 24 .

24 Pedersen , W . Childbirth, abortion and subsequent substance use in young women: a population-based longitudinal study . Addiction 2007 ; 102 : 1971–8.

25 Lipsey , MW . Identifying interesting variables and analysis opportunities . In The Handbook of Research Synthesis and Meta-Analysis , 2nd edn (eds Cooper , H , Hedges , LV , Valentine , JC ): 147–58. Russell Sage Foundation , 2009 .

26 Coleman , PK , Reardon , DC , Cougle , J . Substance use among pregnant women in the context of previous reproductive loss and desire for current pregnancy . Br J Health Psychol 2005 ; 10 : 255–68.

27 Steinberg , JR , Russo , NF . Abortion and anxiety: what's the relationship? Soc Sci Med 2008 ; 67 : 238–52.

28 Coleman , PK , Maxey , DC , Spence , M , Nixon , C . The choice to abort among mothers living under ecologically deprived conditions: predictors and consequences . Int J Ment Health Addiction 2009 ; 7 : 405–22.

29 Coleman , PK , Reardon , DC , Rue , V , Cougle , J . History of induced abortion in relation to substance use during subsequent pregnancies carried to term . Am J Obstet Gynecol 2002 ; 187 : 1673–8.

30 Coleman , PK , Reardon , DC , Rue , V , Cougle , J . State-funded abortions vs. deliveries: a comparison of outpatient mental health claims over four years . Am J Orthopsychiatry 2002 ; 72 : 141–52.

31 Cougle , J , Reardon , DC , Coleman , PK . Depression associated with abortion and childbirth: a long-term analysis of the NLSY cohort . Med Sci Monit 2003 ; 9 : CR105–12.

32 Cougle , J , Reardon , DC , Coleman , PK , Rue , VM . Generalized anxiety associated with unintended pregnancy: a cohort study of the 1995 National Survey of Family Growth . J Anxiety Disord 2005 ; 19 : 137–42.

33 Gilchrist , AC , Hannaford , PC , Frank , P , Kay , CR . Termination of pregnancy and psychiatric morbidity . Br J Psychiatry 1995 ; 167 : 243–8.

34 Gissler , M , Hemminki , E , Lonnqvist , J . Suicides after pregnancy in Finland, 1987–94: register linkage study . BMJ 1996 ; 313 : 1431–4.

35 Pedersen , W . Abortion and depression: a population-based longitudinal study of young women . Scand J Public Health 2008 ; 36 : 424–8.

36 Reardon , DC , Cougle , J . Depression and unintended pregnancy in the National Longitudinal Survey of Youth: a cohort study . BMJ 2002 ; 324 : 151–2.

37 Reardon , DC , Cougle , J , Ney , PG , Scheuren , F , Coleman , PK , Strahan , TW . Deaths associated with delivery and abortion among California Medicaid patients: a record linkage study . South Med J 2002 ; 95 : 834–41.

38 Reardon , DC , Cougle , J , Rue , VM , Shuping , M , Coleman , PK , Ney , PG . Psychiatric admissions of low-income women following abortion and childbirth . CMAJ 2003 ; 168 : 1253–6.

39 Reardon , DC , Coleman , PK , Cougle , J . Substance use associated with prior history of abortion and unintended birth: a national cross sectional cohort study . Am J Drug Alcohol Abuse 2004 ; 26 : 369–83.

40 Rees , DI , Sabia , JJ . The relationship between abortion and depression: new evidence from the Fragile Families and Child Wellbeing Study . Med Sci Monit 2007 ; 13 : 430–6.

41 Schmiege , S , Russo , NF . Depression and unwanted first pregnancy: longitudinal cohort study . BMJ 2005 ; 331 : 1303 .

42 Taft , AJ , Watson , LF . Depression and termination of pregnancy (induced abortion) in a national cohort of young Australian women: the confounding effect of women's experience of violence . BMC Public Health 2008 ; 8 : 75 .

43 Borenstein , M , Hedges , LV , Higgins , JPT , Rothstein , HR . Introduction to Meta- Analysis . Wiley , 2009 .

44 Appleby , L . Suicide during pregnancy and in the first postnatal year . BMJ 1991 ; 302 : 137–40.

45 Kleiner , GJ , Greston , WM , (eds). Suicide in Pregnancy . John Wright , 1984 .

46 Lindahl , V , Pearson , JL , Colpe , L . Prevalence of suicidality during pregnancy and the postpartum . Arch Womens Ment Health 2005 ; 8 : 77 – 87 .

47 Schiff , MA , Grossman , DC . Adverse perinatal outcomes and risk of postpartum suicide attempt in Washington State, 1987–2001 . Pediatrics 2006 ; 118 : e669 – 75 .

48 Bailey , PE , Bruno , ZV , Bezerra , MF , Queiroz , J , Oliveira , CM , Chen-Mok , M . Adolescent pregnancy 1 year later: the effects of abortion vs. motherhood in Northeast Brazil . J Adolesc Health 2001 ; 29 : 223–32.

49 Fergusson , DM , Boden , JM , Horwood , LJ . Abortion among young women and subsequent life outcomes . Perspect Sex Reprod Health 2007 ; 39 : 6 – 12 .

50 Fergusson , DM . Abortion and mental health . Psychiatr Bull 2008 ; 32 : 321–4.