Error Result in Top 5 Peer Reviewed Medical Journals
Despite federal legalisation of ballgame in the USA in 1973, women'south right to choose ballgame has been hotly debated, factoring heavily into the broader political landscape. Paralleling political division at the societal level, there has been considerable fence amid academics regarding the extent to which abortion poses serious mental wellness risks to women. Over the past several decades, hundreds of studies have been published indicating statistically pregnant associations between induced abortion and adverse psychological outcomes of diverse forms. Reference Bradshaw and Slade1–Reference Thorp, Hartman and Shadigan4 However, the authors of the three almost recent qualitative literature reviews arrived at the conclusion that ballgame does non pose serious risks above those associated with unintended pregnancy carried to term. 5–Reference Robinson, Stotland, Russo, Lang and Occhiogrossoseven This conclusion is problematic for several reasons, the near salient of which are described briefly below.
First, only a handful of studies have really included unintended pregnancy carried to term as a control grouping. Pregnancy intendedness is not well defined in the literature and basic conceptualisation and measurement problems challenge the validity of the intendedness variable equally used in the available studies. Specifically, pregnancies that are terminated are sometimes initially intended by i or both partners and pregnancies that are initially unintended may get wanted as the pregnancy progresses, rendering assessment of intendedness subject to considerable change over time. In add-on, pregnancy intendedness is typically measured dichotomously (intended/unintended) when true responses may really fall on a continuum from fully intended and planned for years to entirely unintended, with a great deal of variation likely between these ii extremes. At least half of all pregnancies in the USA are classified as unintended and among adolescents and women over 40 years old the percentage is over 75%, Reference Kost and Forrest8,Reference Squiresnine meaning the bulk of women in the command groups in studies comparing abortion with term pregnancy actually delivered unintended pregnancies even if the variable was not directly assessed.
Second, many recently published studies with all-encompassing controls for tertiary variables were not reflected in the three recent reviews, with no explanation given as to why large segments of the peer-reviewed literature were missing. For instance, in the 2008 review past Charles et al, Reference Charles, Polis, Sridhara and Blumhalf-dozen several of the studies that were overlooked actually met the inclusion criteria. Reference Coleman10–Reference Slade, Heke, Fletcher and Stewartxix Similarly, studies examining substance misuse were non included in two of the iii reviews, Reference Charles, Polis, Sridhara and Blum6,Reference Robinson, Stotland, Russo, Lang and Occhiogrosso7 with no rationale for excluding them. Numerous studies have demonstrated statistically significant associations between ballgame and subsequent substance misuse, a widely recognised and prevalent mental health trouble. Reference Colemanii,Reference Colemanx,Reference Coleman, Coyle, Shuping and Rue20–Reference Pedersen24
Tertiary, in all iii literature reviews the option of studies lacked sufficient methodologically based selection criteria. 5–Reference Robinson, Stotland, Russo, Lang and Occhiogrosso7 Every bit a event the sample of studies included was either too broad, resulting in incorporation of results from numerous weaker studies, or besides narrow, resulting in unjustified emptying of sound studies. Ironically, the largest review, past the American Psychological Association Task Force, exemplifies both bug equally the selection criteria for one type of study (those with a comparison group) were simply publication of empirical information on induced abortion with at least one mental health measure in peer-reviewed journals in English on U.s.a. and not-US samples; v withal, non-United states of america samples were avoided entirely for a 2d type of report (no comparing group) examined in this review without an appropriate rationale, resulting in elimination of dozens of methodologically sophisticated international studies. In the review conducted by Robinson et al the authors mention having identified 216 peer-reviewed papers on the topic of abortion and mental wellness and and then notation selection of a sample of studies that 'exemplify common errors in research methodology' as well as 'major manufactures that effort to correct the flaws'. Reference Robinson, Stotland, Russo, Lang and Occhiogrosso7 No details were offered regarding how studies were chosen to fit into these two categories.
The fourth troubling event is the fact that quantification of effects was not attempted by any of the three research teams. Given the expansive literature on abortion and mental wellness, there is no reasonable justification for not quantifying furnishings. In the only truly systematic review available, published in 2003 by Thorp et al, stringent option criteria were employed and their analysis of the largest and strongest studies available resulted in the conclusion that abortion is associated with an increased adventure of low that may lead to self-harm. Reference Thorp, Hartman and Shadiganfour Owing to the broad objective of this review, which addressed physical complications too, a broad range of mental health effects were not examined.
In this highly politicised surface area of research it is imperative for researchers to utilize scientifically based evaluation standards in a systematic, unbiased manner when synthesising and critiquing enquiry findings. If not, authors open themselves upwardly to accusations of shifting standards based on conclusions aligned with a item political viewpoint. Moreover, the results may be dangerously misleading and effect in misinformation guiding the practice of abortion. Through a process of systematically combining the quantitative results from numerous studies addressing the same bones question (e.g. 'is at that place an clan between abortion and mental health?') far more than reliable results are produced than from item studies that are limited in size and scope. Moreover, as a methodology wherein studies are weighted based on objective scientific criteria, meta-assay offers a logical, more objective alternative to qualitative reviews when the area of written report is embedded in political controversy. Therefore, in an effort to provide a long overdue, dispassionate analysis of the literature on abortion and mental wellness, the chief objective of this review was to deport meta-analyses of associations between induced abortion and adverse mental health outcomes (depression, anxiety, substance utilise and suicidal behaviour) with sensitivity to the use of distinct control groups employed in the various studies (no abortion, unintended pregnancy delivered, pregnancy delivered). The focus was on studies published between 1995 and 2009 because of the considerable comeback in research designs on the topic of postal service-ballgame mental health in recent years. Contemporary enquiry on abortion and mental health has addressed a number of shortcomings of the earlier work past employing comparison groups with controls for 3rd variables. However, there has also been increased emphasis on incorporating nationally representative samples, prospective designs, controls for prior psychiatric history and comprehensive assessments of mental health result measures which in some cases included actual medical records. A secondary objective of this review was to calculate population-attributable risk (PAR) percentages using pooled odds ratios derived from the meta-analysis subdivided by issue measures. These statistics reflect the incidence of a disorder in the exposed sample (e.g. women who have undergone abortion) that is directly due to the exposure (the ballgame process). Both the pooled odds ratios and the PAR percentages yielded herein provide readily interpretable indices of the mental health consequences of abortion and should offer new clarity to the academic debate and to clinicians seeking data to guide constructive practice.
Method
Inclusion criteria
Studies identified using the Medline and PsycINFO databases were included in this review if they met the following criteria: a sample size of 100 or more participants; use of a comparison group (no abortion, pregnancy delivered or unintended pregnancy delivered); one or more mental health effect variables (low, anxiety, alcohol use, marijuana apply or suicidal behaviour); controls for third variables; employ of odds ratios to express effects observed to facilitate calculation of readily interpretable pooled odds ratios and PAR statistics; publication in English language in peer-reviewed journals betwixt 1995 and 2009.
Rules for extraction and synthesis of effects
In addition to the above criteria, rules for extracting and synthesising data derived from the studies selected were adult based on the recommendations outlined by Lipsey, Reference Lipsey, Cooper, Hedges and Valentine25 to avoid overrepresentation of item samples and statistical dependences among effects, and more often than not to ensure the virtually conservative and unbiased assemblage of results from the individual studies exhibiting considerable variability in reporting.
-
(a) Relevant studies contributed a maximum of one consequence per outcome. When authors reported more than one issue per variable based on carve up analyses conducted for distinct demographic groups, or when different diagnoses were reported on within a general class such as anxiety or depression, a blended odds ratio was derived to avert overweighting in favour of item studies.
-
(b) When studies had more than ane comparison group, option rules were employed to provide more weight to comparisons wherein the control group was most closely matched to the abortion group. Specifically, if 'unintended pregnancy delivered' was used the results relative to this group were selected, and when just 'pregnancy delivered' and 'no ballgame' comparison groups were used, the effects pertaining to the 'pregnancy delivered' group were selected.
-
(c) In situations wherein separate results were reported based on one five. two or more abortions, the results specific to one abortion were selected to enable sampling of a more than homogeneous population. There are studies suggesting differential furnishings based on the number of abortions. Reference Coleman, Reardon and Cougle26,Reference Steinberg and Russo27
-
(d) When detail authors used the same sample and variables in more than one publication, only the nigh recent publication was selected. When the aforementioned data-set was used by different groups, both sets of results were included when distinct samples were defined.
Statistical analysis
Meta-analyses were conducted using Comprehensive Meta-Analysis version ii.0 for Windows (Biostat, www.meta-analysis.com). Random effects meta-analyses were computed based on the sociodemographic heterogeneity of the report samples. Reference Borenstein, Hedges, Higgins and Rothstein43 The random effects model takes into account ii sources of variance (within-study error and variation in the true effects across studies) with the study weights designed to minimise both sources of variance. Reference Borenstein, Hedges, Higgins and Rothstein43 A pooled odds ratio was computed using the total 36 furnishings extracted. In add-on, ii sets of subgroup pooled odds ratios were calculated based on the type of comparison group used and on specific forms of mental wellness problems. Adjusted odds ratios with controls for 3rd variables were used in all the random effects meta-analyses. Finally, PAR percentages were computed using the pooled odds ratios (OR) derived from the random effects model subdivided by event measures. The PAR percentages were calculated using the formula 100×(Px(OR–1))/(1 + Px(OR–1)), where Px is the estimate of population exposure; Px is calculated every bit c /(c + d), where c is the number of women in the abortion group who did not experience the mental affliction in question and d is the number of women in the 'no abortion' group who were identified as not having the mental affliction examined.
Results
Later applying the inclusion criteria and rules detailed in a higher place, the sample consisted of 22 peer-reviewed studies (15 from the The states and 7 from other countries); Reference Coleman, Reardon, Strahan and Cougleiii,Reference Coleman, Coyle, Shuping and Rue20–Reference Fergusson, Horwood and Boden22,Reference Pedersen24,Reference Coleman, Reardon and Cougle26–Reference Taft and Watson42 these comprised 36 measures of effect (9 booze use/misuse, v marijuana, 7 anxiety, 11 depression, four suicidal behaviour) and a total of 877 181 participants, of whom 163 831 had experienced an abortion (meet online Table DS1).
The first random effects meta-assay, which included 36 adjusted odds ratios from the 22 studies identified, resulted in a pooled odds ratio of 1.81 (95% CI 1.57–two.09, P<0.0001). The results of this assay indicated that women who have had an abortion experienced an 81% higher chance of mental health problems of various forms when compared with women who had not had an ballgame (Fig. 1). Results of a second random effects meta-analysis, wherein separate effects were produced based on the blazon of effect measure, are provided in Fig. 2. All effects were statistically significant, with the largest pooled odds ratio derived for marijuana use (OR = 3.30, 95% CI 1.64–vii.44, P = 0.001), followed by suicide behaviours (OR = 2.55, 95% CI 1.31–iv.96, P = 0.006), alcohol use/misuse (OR = 2.10, 95% CI one.77–2.49, P<0.0001), low (OR = one.37, 95% CI 1.22–1.53, P<0.0001) and feet (OR = 1.34, 95% CI ane.12–1.59, P<0.0001). These results indicate that the level of increased risk
Fig. 1 Abortion and subsequent mental health outcomes. alco, alcohol misuse; anx, anxiety; dep, depression; marij, marijuana use; NCS, National Comorbidity Survey; NCFG, National Survey of Family Growth; suic, suicide.
associated with abortion varies from 34% to 230% depending on the nature of the consequence.
In the tertiary random effects meta-assay (Fig. 3) three separate pooled odds ratios were produced based on the type of comparison group employed in the respective studies. When women who had terminated a pregnancy were compared with women who had not washed so relative to all mental wellness problems, the result was statistically significant (OR = one.59, 95% CI 1.36–1.85, P<0.0001). When women who terminated a pregnancy were compared with women who carried to term, using the total set of mental wellness variables, the upshot was considerably stronger (OR = 2.38, 95% CI one.62–3.50, P<0.0001). Finally, when 'unintended pregnancy carried to term' operated equally the comparison grouping, the result was likewise statistically significant and closer to the result relative to the 'no abortion' comparison group (OR = one.55, 95% CI 1.30–one.83, P<0.0001). These data indicate that regardless of the type of comparison group used, ballgame is associated with an enhanced hazard of experiencing mental wellness problems, with the magnitude of this run a risk ranging from 55% to 138%.
The final set up of analyses involved adding of PAR percentages based on pooled odds ratio estimates. The overall PAR percentage was most x%, with the range for detail mental wellness bug extending from viii.3% for anxiety to 26.5% for marijuana use (Table 1). In addition, a pooled odds ratio for the two large-scale studies in which actual suicide was
Fig. two Abortion and subsequent mental wellness outcomes, organised by dependent measures. NCS, National Comborbidity Survey; NCFG, National Survey of Family unit Growth; suic, suicide.
measured yielded a pregnant issue (OR = 4.11, 95% CI i.82–9.31) and a PAR percentage of 34.9% was derived using this pooled odds ratio.
Word
Based on data extracted from 22 studies, the results of this meta-analytic review of the abortion and mental health literature indicate quite consistently that abortion is associated with moderate to highly increased risks of psychological problems subsequent to the procedure. The magnitude of effects derived varied based on the comparison grouping (no abortion, pregnancy delivered, unintended pregnancy delivered) and the type of problem examined (alcohol use/misuse, marijuana use, anxiety, depression, suicidal behaviours). Overall, the results revealed that women who had undergone an abortion experienced an 81% increased risk of mental health problems, and nearly ten% of the incidence of mental health problems was shown to be direct attributable to abortion. The strongest effects were observed when women who had had an abortion were compared with women who had carried to term and when the outcomes measured related
Table 1 Population-attributable risk (PAR) percentages based on outcome measure
| Outcome | PAR % |
|---|---|
| Feet | eight.1 |
| Depression | 8.5 |
| Alcohol use | 10.vii |
| Marijuana utilize | 26.5 |
| All suicidal behaviours | 20.9 |
| Suicide | 34.9 |
| All | 9.9 |
to substance utilise and suicidal behaviour. Neat care was taken to appraise accurately the risks from the most methodologically sophisticated studies, and the quantitatively based conclusions reflect data gathered on over three-quarters of a million women. Of particular significance is the fact that all furnishings entered into the analyses were adapted odds ratios with controls for numerous 3rd variables.
The finding that abortion is associated with significantly higher risks of mental wellness problems compared with conveying
Fig. 3 Abortion and subsequent mental health outcomes, organised by comparing group. alco, alcohol misuse; anx, feet; dep, depression; marij, marijuana utilise; NCS, National Comorbidity Survey; NCFG, National Survey of Family Growth; suic, suicide.
a pregnancy to term is consequent with literature demonstrating protective effects of pregnancy delivered relative to particular mental health outcomes. For example, with regard to suicide, Gissler et al reported the annual suicide charge per unit for women of reproductive age to be xi.three per 100 000, whereas the rate was merely v.9 per 100 000 in association with nativity. Reference Gissler, Hemminki and Lonnqvist34 Several other studies conducted in different countries have revealed fifty-fifty lower rates of suicide following birth when compared with women in the general population. Reference Appleby44–Reference Schiff and Grossman47 More inquiry is needed to examine systematically the specific nature of this protective effect against suicide, to determine the extent to which the protective effect holds for unintended pregnancies delivered, and to examine possible protective effects of childbirth relative to other mental health variables.
When the ballgame grouping was compared with the no pregnancy grouping and with the unintended pregnancy delivered group, the magnitude of the effects was very shut. This finding challenges the generally accustomed belief that unintended pregnancy delivered represents the only or about appropriate control group for studies designed to explore the touch of ballgame on mental health. Use of a no pregnancy delivered grouping may be a cleaner control grouping, since many women feel postpartum depression and/or anxiety following childbirth. From a practical standpoint, a no pregnancy comparison group should be considerably easier to secure than a group of women who evangelize an unintended pregnancy.
Future research
Future studies should explore possible process mechanisms linking abortion to substance misuse and suicidal behaviour, since the strongest furnishings were detected for these variables. For case, substance misuse and suicidal behaviour may consequence from efforts to cake or avoid any psychological hurting associated with the process and may exist construed equally faster, easier remedies for personal suffering than seeking professional assistance. Women could find it especially hard to reach out to others if they experience shame or guilt associated with the abortion. Consequent with the contemporary ethos of evidence-based medicine wherein effective apply is made of the best bachelor information from systematic research, firm standards should be articulated for accessing and synthesising data from the published literature for the purpose of training healthcare personnel. The results of this systematic, quantitative review cast serious dubiousness on the conclusions derived from the recently published traditional reviews described before, 5–Reference Robinson, Stotland, Russo, Lang and Occhiogrosso7 and suggest that there are in fact some real risks associated with abortion that should be shared with women every bit they are counselled prior to an abortion decision.
Healthcare professionals are responsible for educating patients in a style that reflects the current scientific literature; however, the average practitioner does not generally have the time and expertise to study and attempt to resolve conflicting interpretations of the published enquiry in club to extract the virtually reliable information. The responsibility therefore rests initially within the research community to set aside personal ideological commitments, considerately examine all high-quality published data, and conduct analyses of the literature that are based on state-of-the-art information analysis procedures, yielding readily interpretable synopses as has been attempted hither. Once this goal is satisfactorily realised, professional person organisations volition confront the challenge of developing efficient protocols for informing practitioners and for streamlining the broadcasting of information to the public.
The US Preventive Services Task Force (USPSTF) within the Agency for Healthcare Research and Quality, which is a segmentation of the US Department of Health and Human Services (www.ahrq.gov/clinic/3rduspstf/ratings.htm), has identified bones guidelines for how scientific prove should be used to inform practice. These are summarised beneath and are based on an analysis of risks and benefits as established in the scientific literature.
-
• Level A: Good scientific evidence indicates the benefits of the service substantially outweigh the risks with clinicians advised to talk over the service with eligible patients.
-
• Level B: Off-white scientific testify indicates the benefits of the service outweigh the risks with clinicians encouraged to talk over the service with eligible patients.
-
• Level C: At least fair scientific prove indicating benefits are provided by the service, but the balance betwixt benefits and risks precludes full general recommendations. Clinicians are advised to only offer the service if there are special considerations.
-
• Level D: At least fair scientific evidence indicates the risks of the service outweigh benefits with clinicians advised not to routinely offer the service.
-
• Level I: Scientific evidence is deficient, poorly washed, or conflicting precluding assessment of the risk benefit ratio. Clinicians are advised to convey the uncertainty of evidence surrounding the service to patients.
Putative benefits of abortion
Procedure benefits of abortion have non been empirically established and the results of the substantial review by Thorp et al described before in conjunction with the results of the nowadays quantitative synthesis indicate considerable show documenting mental health risks. Reference Thorp, Hartman and Shadigan4 Without more research pertaining to possible benefits, the higher up guidelines are difficult to employ. In one written report by Major et al, Reference Major, Cozzarelli, Cooper, Zubek, Richards and Wilhite14 the boilerplate response of the study respondents reflecting their positive mail service-ballgame emotional reactions (divers as 'happy', 'pleased' or 'satisfied') was 2.24 on a scale of 1 to five, with one corresponding to 'non at all' and a 5 representing 'a bang-up deal'. The passage of fourth dimension patently did not issue in more positive emotions, because 2 years after ballgame the average rating dropped by a statistically significantly amount to 2.06. A few additional studies have addressed associations between abortion and educational attainment, income and other outcomes of this nature, which may be construed as indirect indicators of mental health; Reference Bailey, Bruno, Bezerra, Queiroz, Oliveira and Chen-Mok48,Reference Fergusson, Boden and Horwood49 however, mental wellness benefits take received scant direct attention in the literature.
Concerns regarding the deficient positive effects literature were echoed in an editorial published in the Psychiatric Bulletin, Reference Fergussonfifty in which Fergusson questioned the legitimacy of justifying over 90% of UK abortions based on the presumption that abortion offers the benefit of reducing mental health risks associated with continuing the pregnancy. Fergusson specifically stated:
Although decisions on whether to keep with induced abortion are fabricated on the footing of clinical assessments of the extent to which abortion poses a risk to maternal mental wellness, these clinical assessments are not currently supported by population-level evidence showing the provision of abortion reduces mental wellness risks for women having unwanted pregnancy. Reference Fergusson50
Until sound prove documenting mental health benefits of abortion is bachelor, clinicians should convey the electric current state of doubt related to benefits of ballgame in addition to sharing the nearly accurate information pertaining to statistically validated risks.
Strengths and limitations of this review
Motivated by the shortcomings of previous non-quantitative efforts to synthesise and analyse a complex literature prone to biased interpretations, I have attempted in this written report to evaluate systematically a wealth of data on the topic of abortion and mental health. The use of inclusion criteria that resulted in incorporation of the largest and strongest studies published in recent years is an obvious strength. However, the review is conspicuously not exhaustive as only a xv-yr publication window was examined and studies that did not incorporate a comparison group were not analysed. There is a strong demand for a quantitative review of literature examining the hundreds of studies that take been conducted on samples of women who obtained abortions without inclusion of a comparison group. As noted previously, the review of literature conducted by the American Psychological Association Task Forcefulness confined their examination of this study form to Usa samples. v Another limitation of my report relates to the lack of uniformity in control variables, demographic characteristics of the samples, length of fourth dimension betwixt the procedure and the follow-upwardly assessments, and considerable variation in how the outcomes were measured.
It is encouraging to note that methodologically sophisticated studies on the topic of abortion and mental wellness are being published at a significantly higher charge per unit than e'er before. Researchers throughout the world are seeking to understand the experience of induced abortion more fully and are increasingly willing to take on a subject that has been shrouded in political controversy and has not received the scholarly attending it deserves. The latest example is a study based on National Comorbidity Survey – Replication information by Canadian researchers Mota et al. Reference Mota, Burnett and Sareen51 This 2010 study was published afterwards the analyses reported herein were conducted; however, its results are startlingly like. Statistically significant associations were observed between abortion history and a broad range of mental health problems after decision-making for the feel of interpersonal violence and demographic variables. When compared with women without an abortion history, women with a prior ballgame experienced a 61% increased hazard of mood disorders. Abortion was further linked with a 61% increased risk of social phobia, and increased the chance of suicide ideation by 59%. In the realm of substance misuse, the abortion-related increased risks for alcohol misuse, alcohol dependence, drug misuse, drug dependence and whatever substance use disorder were 261%, 142%, 313%, 287% and 280% respectively. Population-attributable gamble percentages were as well like, ranging from 5.viii% to 24.7%. Reference Mota, Burnett and Sareen51
Last remarks
This review was undertaken in an endeavour to produce an unbiased, quantitative analysis of the best available evidence addressing abortion every bit ane risk factor among many others that may increase the likelihood of mental health problems. The blended results reported herein bespeak that abortion is a statistically validated risk factor for the development of various psychological disorders. However, when the contained variable cannot be ethically manipulated, every bit is the case with ballgame history, definitive causal conclusions are precluded from both private studies and from a quantitative synthesis such as this ane. Although an answer to the causal question is not readily discerned based on the data available, equally more prospective studies with numerous controls are being published, indirect evidence for a causal connection is commencement to emerge.
References
ane Bradshaw, Z , Slade, P . The effects of induced abortion on emotional experiences and relationships: a disquisitional review of the literature. Clin Psychol Rev 2003; 23: 929–58.CrossRefGoogle ScholarPubMed
2 Coleman, PK . Induced abortion and increased gamble of substance employ: a review of the evidence. Curr Women's Health Rev 2005; 1: 21–34.CrossRefGoogle Scholar
3 Coleman, PK , Reardon, DC , Strahan, TS , Cougle, JR . The psychology of ballgame: a review and suggestions for future research. Psychol Health 2005; xx: 237–71.CrossRefGoogle Scholar
4 Thorp, J , Hartman, K , Shadigan, E . Long-term physical and psychological health consequences of induced abortion: review of the prove. Obstet Gynecol Surv 2003; 58: 67–79.CrossRefGoogle Scholar
5 American Psychological Association Task Force on Mental Health and Ballgame. Written report of the American Psychological Association Chore Force on Mental Health and Ballgame. APA, 2008.Google Scholar
vi 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.CrossRefGoogle Scholar
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.CrossRefGoogle Scholar
8 Kost, K , Forrest, JD . Intention status of United states births in 1988: differences by mothers' socioeconomic and demographic characteristics. Fam Plann Perspect 1995; 27: xi–seven.CrossRefGoogle Scholar
9 Squires, S . Most pregnancies unplanned or unwanted, study says. Washington Post 1995; eleven: 7.Google Scholar
10 Coleman, PK . Resolution of unwanted pregnancy during adolescence through ballgame versus childbirth: individual and family predictors and consequences. J Youth Adolesc 2006; 35: 903–11.CrossRefGoogle Scholar
xi 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.CrossRefGoogle Scholar
12 Lauzon, P , Roger-Achim, D , Achim, A , Boyer, R . Emotional distress amongst couples involved in first trimester abortions. Can Fam Doctor 2000; 46: 2033–40.Google Scholar
13 Lyndon, J , Dunkel-Schetter, C , Cohan, CL , Pierce, T . Pregnancy decision making as a pregnant life event: a delivery approach. J Pers Soc Psychol 1996; 71: 141–51.Google Scholar
14 Major, B , Cozzarelli, C , Cooper, ML , Zubek, J , Richards, C , Wilhite, G , et al. Psychological responses of women after first trimester abortion. Arch Gen Psychiatry 2000; 57: 777–84.CrossRefGoogle ScholarPubMed
15 Major, B , Cozzarelli, C , Sciacchitano, AM , Cooper, ML , Testa, Grand , Mueller, PM . Perceived social support, self-efficacy, and adjustment to ballgame. J Pers Soc Psychol 1990; 59: 186–97.CrossRefGoogle Scholar
16 Miller, WB . An empirical study of the psychological antecedents and consequences of induced abortion. J Soc Problems 1992; 48: 67–93.CrossRefGoogle Scholar
17 Miller, WB , Pasta, DJ , Dean, CL . Testing a model of the psychological consequences of ballgame. In The New Civil State of war: The Psychology, Culture, and Politics of Abortion (eds Beckman, LJ , Harvey, SM ): pp. 235–67. American Psychological Association, 1998.Google Scholar
xviii Reardon, DC , Coleman, PK . Relative handling rates for sleep disorders following ballgame and childbirth: a prospective record-based study. Sleep 2006; 29: 105–6.CrossRefGoogle ScholarPubMed
19 Slade, P , Heke, Southward , Fletcher, J , Stewart, PA . Comparison of medical and surgical methods of termination of pregnancy: selection, psychological consequences, and satisfaction with intendance. Br J Obstet Gynaecol 1998; 105: 1288–95.CrossRefGoogle Scholar
twenty Coleman, PK , Coyle, CT , Shuping, M , Rue, VM . Induced ballgame and anxiety, mood, and substance abuse disorders: isolating the effects of ballgame in the National Comorbidity Survey. J Psychiatr Res 2009; 43: 770–6.CrossRefGoogle ScholarPubMed
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.CrossRefGoogle Scholar
22 Fergusson, DM , Horwood, LJ , Boden, JM . Abortion and mental health disorders: testify from a 30-year longitudinal written report. Br J Psychiatry 2008; 193: 444–51.CrossRefGoogle ScholarPubMed
23 Fergusson, DM , Horwood, LJ , Ridder, EM . Abortion in immature women and subsequent mental health. J Child Psychol Psychiatry 2006; 47: 16–24.CrossRefGoogle ScholarPubMed
24 Pedersen, W . Childbirth, ballgame and subsequent substance use in immature women: a population-based longitudinal study. Addiction 2007; 102: 1971–8.CrossRefGoogle ScholarPubMed
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.Google Scholar
26 Coleman, PK , Reardon, DC , Cougle, J . Substance use among pregnant women in the context of previous reproductive loss and desire for electric current pregnancy. Br J Health Psychol 2005; ten: 255–68.CrossRefGoogle ScholarPubMed
28 Coleman, PK , Maxey, DC , Spence, Thousand , Nixon, C . The choice to arrest among mothers living under ecologically deprived weather: predictors and consequences. Int J Ment Wellness Addiction 2009; 7: 405–22.Google Scholar
29 Coleman, PK , Reardon, DC , Rue, Five , Cougle, J . History of induced ballgame in relation to substance utilize during subsequent pregnancies carried to term. Am J Obstet Gynecol 2002; 187: 1673–8.CrossRefGoogle ScholarPubMed
xxx Coleman, PK , Reardon, DC , Rue, V , Cougle, J . State-funded abortions vs. deliveries: a comparing of outpatient mental health claims over iv years. Am J Orthopsychiatry 2002; 72: 141–52.CrossRefGoogle Scholar
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.Google ScholarPubMed
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.CrossRefGoogle Scholar
33 Gilchrist, Ac , Hannaford, PC , Frank, P , Kay, CR . Termination of pregnancy and psychiatric morbidity. Br J Psychiatry 1995; 167: 243–8.CrossRefGoogle ScholarPubMed
34 Gissler, M , Hemminki, E , Lonnqvist, J . Suicides after pregnancy in Republic of finland, 1987–94: register linkage study. BMJ 1996; 313: 1431–4.CrossRefGoogle ScholarPubMed
35 Pedersen, W . Abortion and low: a population-based longitudinal study of immature women. Scand J Public Health 2008; 36: 424–8.CrossRefGoogle ScholarPubMed
36 Reardon, DC , Cougle, J . Depression and unintended pregnancy in the National Longitudinal Survey of Youth: a accomplice study. BMJ 2002; 324: 151–2.CrossRefGoogle ScholarPubMed
37 Reardon, DC , Cougle, J , Ney, PG , Scheuren, F , Coleman, PK , Strahan, TW . Deaths associated with commitment and abortion among California Medicaid patients: a tape linkage study. South Med J 2002; 95: 834–41.Google Scholar
38 Reardon, DC , Cougle, J , Rue, VM , Shuping, Thousand , Coleman, PK , Ney, PG . Psychiatric admissions of depression-income women post-obit abortion and childbirth. CMAJ 2003; 168: 1253–six.Google ScholarPubMed
39 Reardon, DC , Coleman, PK , Cougle, J . Substance use associated with prior history of abortion and unintended birth: a national cross exclusive cohort study. Am J Drug Booze Abuse 2004; 26: 369–83.Google Scholar
40 Rees, DI , Sabia, JJ . The human relationship betwixt abortion and low: new evidence from the Fragile Families and Child Wellbeing Written report. Med Sci Monit 2007; 13: 430–6.Google ScholarPubMed
41 Schmiege, S , Russo, NF . Depression and unwanted kickoff pregnancy: longitudinal cohort written report. BMJ 2005; 331: 1303.CrossRefGoogle ScholarPubMed
42 Taft, AJ , Watson, LF . Depression and termination of pregnancy (induced abortion) in a national accomplice of young Australian women: the misreckoning effect of women's experience of violence. BMC Public Health 2008; 8: 75.CrossRefGoogle Scholar
43 Borenstein, 1000 , Hedges, LV , Higgins, JPT , Rothstein, HR . Introduction to Meta- Analysis. Wiley, 2009.CrossRefGoogle Scholar
45 Kleiner, GJ , Greston, WM , (eds). Suicide in Pregnancy. John Wright, 1984.Google Scholar
46 Lindahl, V , Pearson, JL , Colpe, L . Prevalence of suicidality during pregnancy and the postpartum. Arch Womens Ment Health 2005; eight: 77–87.CrossRefGoogle ScholarPubMed
47 Schiff, MA , Grossman, DC . Adverse perinatal outcomes and risk of postpartum suicide try in Washington State, 1987–2001. Pediatrics 2006; 118: e669–75.CrossRefGoogle ScholarPubMed
48 Bailey, PE , Bruno, ZV , Bezerra, MF , Queiroz, J , Oliveira, CM , Chen-Mok, M . Adolescent pregnancy 1 year after: the furnishings of abortion vs. motherhood in Northeast Brazil. J Adolesc Wellness 2001; 29: 223–32.CrossRefGoogle ScholarPubMed
49 Fergusson, DM , Boden, JM , Horwood, LJ . Abortion amidst young women and subsequent life outcomes. Perspect Sex Reprod Health 2007; 39: half dozen–12.CrossRefGoogle ScholarPubMed
51 Mota, NP , Burnett, M , Sareen, J . Associations betwixt ballgame, mental disorders, and suicidal behaviour in a nationally representative sample. Can J Psychiatry 2010; 55: 239–47.CrossRefGoogle Scholar
Source: https://www.cambridge.org/core/journals/the-british-journal-of-psychiatry/article/abortion-and-mental-health-quantitative-synthesis-and-analysis-of-research-published-19952009/E8D556AAE1C1D2F0F8B060B28BEE6C3D
0 Response to "Error Result in Top 5 Peer Reviewed Medical Journals"
Post a Comment