Skip to main content
Top
Published in: BMC Pregnancy and Childbirth 1/2015

Open Access 01-12-2015 | Research article

Impact of unintended pregnancy on maternal mental health: a causal analysis using follow up data of the Panel Study on Korean Children (PSKC)

Authors: Jinwook Bahk, Sung-Cheol Yun, Yu-mi Kim, Young-Ho Khang

Published in: BMC Pregnancy and Childbirth | Issue 1/2015

Login to get access

Abstract

Background

Pregnancy intention is important for maternal and child health outcomes. The purpose of this study was to examine the causal relation between pregnancy intention and maternal depression and parenting stress in Korean women who gave birth during 2008.

Methods

This study is a retrospective evaluation of prospectively collected data from the Panel Study on Korean Children from 2008 to 2010. Causal analyses were conducted using propensity score matching and inverse probability of treatment weighted methods. In addition, mediation analyses were performed to test mitigating effects of marital conflict, fathers’ participation in childcare, and mothers’ knowledge of infant development on the relation between unintended pregnancy and adverse maternal mental health.

Results

Results showed that the overall effect of an unintended pregnancy on maternal depression and parenting stress was statistically significant. An unintended pregnancy was associated with 20–22% greater odds of maternal depression, 0.28–0.39 greater depression score, and 0.85–1.16 greater parenting stress score. Relations between pregnancy intention and maternal depression, maternal depression score and parenting stress score were moderately explained by marital conflict and fathers’ participation in childcare.

Conclusions

Unintended pregnancy contributed to increased risks of maternal depression and parenting stress. Efforts to increase fathers’ participation in childcare and decrease marital conflict might be helpful to mitigate adverse impacts of unintended pregnancy on perinatal maternal mental health.
Appendix
Available only for authorised users
Literature
1.
go back to reference National Research Council. The Best Intentions:Unintended Pregnancy and the Well-Being of Children and Families. Washington, DC: The National Academies Press; 1995. National Research Council. The Best Intentions:Unintended Pregnancy and the Well-Being of Children and Families. Washington, DC: The National Academies Press; 1995.
2.
go back to reference Mosher WD, Jones J, Abma JC. Intended and unintended births in the United States: 1982–2010. Natl Health Stat Report. 2012;55:1–28.PubMed Mosher WD, Jones J, Abma JC. Intended and unintended births in the United States: 1982–2010. Natl Health Stat Report. 2012;55:1–28.PubMed
3.
go back to reference Gipson JD, Koenig MA, Hindin MJ. The effects of unintended pregnancy on infant, child, and parental health: a review of the literature. Stud Fam Plann. 2008;39(1):18–38.PubMedCrossRef Gipson JD, Koenig MA, Hindin MJ. The effects of unintended pregnancy on infant, child, and parental health: a review of the literature. Stud Fam Plann. 2008;39(1):18–38.PubMedCrossRef
4.
go back to reference McCrory C, McNally S. The effect of pregnancy intention on maternal prenatal behaviours and parent and child health: results of an irish cohort study. Paediatr Perinat Epidemiol. 2013;27(2):208–15.PubMedCrossRef McCrory C, McNally S. The effect of pregnancy intention on maternal prenatal behaviours and parent and child health: results of an irish cohort study. Paediatr Perinat Epidemiol. 2013;27(2):208–15.PubMedCrossRef
5.
go back to reference Dott M, Rasmussen SA, Hogue CJ, Reefhuis J, National Birth Defects Prevention S. Association between pregnancy intention and reproductive-health related behaviors before and after pregnancy recognition, National Birth Defects Prevention Study, 1997–2002. Matern Child Health J. 2010;14(3):373–81.PubMedCrossRef Dott M, Rasmussen SA, Hogue CJ, Reefhuis J, National Birth Defects Prevention S. Association between pregnancy intention and reproductive-health related behaviors before and after pregnancy recognition, National Birth Defects Prevention Study, 1997–2002. Matern Child Health J. 2010;14(3):373–81.PubMedCrossRef
6.
go back to reference Han JY, Nava-Ocampo AA, Koren G. Unintended pregnancies and exposure to potential human teratogens. Birth Defects Res A Clin Mol Teratol. 2005;73(4):245–8.PubMedCrossRef Han JY, Nava-Ocampo AA, Koren G. Unintended pregnancies and exposure to potential human teratogens. Birth Defects Res A Clin Mol Teratol. 2005;73(4):245–8.PubMedCrossRef
7.
go back to reference Hromi-Fiedler AJ, Perez-Escamilla R. Unintended pregnancies are associated with less likelihood of prolonged breast-feeding: an analysis of 18 Demographic and Health Surveys. Public Health Nutr. 2006;9(3):306–12.PubMedCrossRef Hromi-Fiedler AJ, Perez-Escamilla R. Unintended pregnancies are associated with less likelihood of prolonged breast-feeding: an analysis of 18 Demographic and Health Surveys. Public Health Nutr. 2006;9(3):306–12.PubMedCrossRef
8.
go back to reference Singh A, Chalasani S, Koenig MA, Mahapatra B. The consequences of unintended births for maternal and child health in India. Popul Stud (Camb). 2012;66(3):223–39.CrossRef Singh A, Chalasani S, Koenig MA, Mahapatra B. The consequences of unintended births for maternal and child health in India. Popul Stud (Camb). 2012;66(3):223–39.CrossRef
9.
go back to reference de La Rochebrochard E, Joshi H. Children born after unplanned pregnancies and cognitive development at 3 years: social differentials in the United Kingdom Millennium Cohort. Am J Epidemiol. 2013;178(6):910–20.CrossRef de La Rochebrochard E, Joshi H. Children born after unplanned pregnancies and cognitive development at 3 years: social differentials in the United Kingdom Millennium Cohort. Am J Epidemiol. 2013;178(6):910–20.CrossRef
10.
go back to reference Carson C, Redshaw M, Sacker A, Kelly Y, Kurinczuk JJ, Quigley MA. Effects of pregnancy planning, fertility, and assisted reproductive treatment on child behavioral problems at 5 and 7 years: evidence from the Millennium Cohort Study. Fertil Steril. 2012;99(2):456–63.PubMedCrossRef Carson C, Redshaw M, Sacker A, Kelly Y, Kurinczuk JJ, Quigley MA. Effects of pregnancy planning, fertility, and assisted reproductive treatment on child behavioral problems at 5 and 7 years: evidence from the Millennium Cohort Study. Fertil Steril. 2012;99(2):456–63.PubMedCrossRef
11.
go back to reference Hayatbakhsh MR, Najman JM, Khatun M, Al Mamun A, Bor W, Clavarino A. A longitudinal study of child mental health and problem behaviours at 14 years of age following unplanned pregnancy. Psychiatry Res. 2011;185(1–2):200–4.PubMedCrossRef Hayatbakhsh MR, Najman JM, Khatun M, Al Mamun A, Bor W, Clavarino A. A longitudinal study of child mental health and problem behaviours at 14 years of age following unplanned pregnancy. Psychiatry Res. 2011;185(1–2):200–4.PubMedCrossRef
12.
go back to reference Barber JS, Axinn WG, Thornton A. Unwanted childbearing, health, and mother-child relationships. J Health Soc Behav. 1999;40(3):231–57.PubMedCrossRef Barber JS, Axinn WG, Thornton A. Unwanted childbearing, health, and mother-child relationships. J Health Soc Behav. 1999;40(3):231–57.PubMedCrossRef
13.
go back to reference Cleland K, Peipert JF, Westhoff C, Spear S, Trussell J. Family planning as a cost-saving preventive health service. N Engl J Med. 2011;364(18):e37.PubMedCrossRef Cleland K, Peipert JF, Westhoff C, Spear S, Trussell J. Family planning as a cost-saving preventive health service. N Engl J Med. 2011;364(18):e37.PubMedCrossRef
14.
15.
go back to reference Singh S, Sedgh G, Hussain R. Unintended pregnancy: worldwide levels, trends, and outcomes. Stud Fam Plann. 2010;41(4):241–50.PubMedCrossRef Singh S, Sedgh G, Hussain R. Unintended pregnancy: worldwide levels, trends, and outcomes. Stud Fam Plann. 2010;41(4):241–50.PubMedCrossRef
16.
go back to reference Lee J: Planned Pregnancy, Parenting, and Infant Development. In: The first conference of the Panel Study on Korean Children 2010.10.29. Hoam faculty house. Seoul National University. 2010;2010:349–62. Lee J: Planned Pregnancy, Parenting, and Infant Development. In: The first conference of the Panel Study on Korean Children 2010.10.29. Hoam faculty house. Seoul National University. 2010;2010:349–62.
17.
go back to reference Mun MJ, Jeong JH, Choe JS, An HG, Lyu HM, Im HJ, et al. The Rate of Planned Pregnancy and Associated Factors Related to Planned Pregnancy. Obstet Gynecol Sci. 2003;46(9):1741–5. Mun MJ, Jeong JH, Choe JS, An HG, Lyu HM, Im HJ, et al. The Rate of Planned Pregnancy and Associated Factors Related to Planned Pregnancy. Obstet Gynecol Sci. 2003;46(9):1741–5.
18.
go back to reference Maxson P, Miranda ML. Pregnancy intention, demographic differences, and psychosocial health. J Womens Health (Larchmt). 2011;20(8):1215–23.CrossRef Maxson P, Miranda ML. Pregnancy intention, demographic differences, and psychosocial health. J Womens Health (Larchmt). 2011;20(8):1215–23.CrossRef
19.
go back to reference Hardee K, Eggleston E, Wong EL, Irwanto, Hull TH. Unintended pregnancy and women’s psychological well-being in Indonesia. J Biosoc Sci. 2004;36(5):617–26.PubMedCrossRef Hardee K, Eggleston E, Wong EL, Irwanto, Hull TH. Unintended pregnancy and women’s psychological well-being in Indonesia. J Biosoc Sci. 2004;36(5):617–26.PubMedCrossRef
20.
go back to reference Orr ST, Miller CA. Unintended pregnancy and the psychosocial well-being of pregnant women. Womens Health Issues. 1997;7(1):38–46.PubMedCrossRef Orr ST, Miller CA. Unintended pregnancy and the psychosocial well-being of pregnant women. Womens Health Issues. 1997;7(1):38–46.PubMedCrossRef
21.
go back to reference Bunevicius R, Kusminskas L, Bunevicius A, Nadisauskiene RJ, Jureniene K, Pop VJ. Psychosocial risk factors for depression during pregnancy. Acta Obstet Gynecol Scand. 2009;88(5):599–605.PubMedCrossRef Bunevicius R, Kusminskas L, Bunevicius A, Nadisauskiene RJ, Jureniene K, Pop VJ. Psychosocial risk factors for depression during pregnancy. Acta Obstet Gynecol Scand. 2009;88(5):599–605.PubMedCrossRef
22.
go back to reference Yanikkerem E, Ay S, Piro N. Planned and unplanned pregnancy: effects on health practice and depression during pregnancy. J Obstet Gynaecol Res. 2013;39(1):180–7.PubMedCrossRef Yanikkerem E, Ay S, Piro N. Planned and unplanned pregnancy: effects on health practice and depression during pregnancy. J Obstet Gynaecol Res. 2013;39(1):180–7.PubMedCrossRef
23.
go back to reference Karacam Z, Onel K, Gercek E. Effects of unplanned pregnancy on maternal health in Turkey. Midwifery. 2011;27(2):288–93.PubMedCrossRef Karacam Z, Onel K, Gercek E. Effects of unplanned pregnancy on maternal health in Turkey. Midwifery. 2011;27(2):288–93.PubMedCrossRef
24.
go back to reference Lau Y, Keung DW. Correlates of depressive symptomatology during the second trimester of pregnancy among Hong Kong Chinese. Soc Sci Med. 2007;64(9):1802–11.PubMedCrossRef Lau Y, Keung DW. Correlates of depressive symptomatology during the second trimester of pregnancy among Hong Kong Chinese. Soc Sci Med. 2007;64(9):1802–11.PubMedCrossRef
25.
go back to reference Nakku JE, Nakasi G, Mirembe F. Postpartum major depression at six weeks in primary health care: prevalence and associated factors. Afr Health Sci. 2006;6(4):207–14.PubMedPubMedCentral Nakku JE, Nakasi G, Mirembe F. Postpartum major depression at six weeks in primary health care: prevalence and associated factors. Afr Health Sci. 2006;6(4):207–14.PubMedPubMedCentral
26.
go back to reference East PL, Chien NC, Barber JS. Adolescents’ Pregnancy Intentions, Wantedness, and Regret: Cross-Lagged Relations With Mental Health and Harsh Parenting. J Marriage Fam. 2012;74(1):167–85.PubMedPubMedCentralCrossRef East PL, Chien NC, Barber JS. Adolescents’ Pregnancy Intentions, Wantedness, and Regret: Cross-Lagged Relations With Mental Health and Harsh Parenting. J Marriage Fam. 2012;74(1):167–85.PubMedPubMedCentralCrossRef
27.
go back to reference Zanutto EL. A Comparison of Propensity Score and Linear Regression Analysis of Complex Survey Data. J Data Science. 2006;4(1):67–91. Zanutto EL. A Comparison of Propensity Score and Linear Regression Analysis of Complex Survey Data. J Data Science. 2006;4(1):67–91.
28.
go back to reference Christensen AL, Stuart EA, Perry DF, Le H-N. Unintended pregnancy and perinatal depression trajectories in low-income, high-risk Hispanic immigrants. Prev Sci. 2011;12(3):289–99.PubMedPubMedCentralCrossRef Christensen AL, Stuart EA, Perry DF, Le H-N. Unintended pregnancy and perinatal depression trajectories in low-income, high-risk Hispanic immigrants. Prev Sci. 2011;12(3):289–99.PubMedPubMedCentralCrossRef
29.
go back to reference Mercier RJ, Garrett J, Thorp J, Siega-Riz AM. Pregnancy intention and postpartum depression: secondary data analysis from a prospective cohort. BJOG. 2013;120(9):1116–22.PubMedPubMedCentralCrossRef Mercier RJ, Garrett J, Thorp J, Siega-Riz AM. Pregnancy intention and postpartum depression: secondary data analysis from a prospective cohort. BJOG. 2013;120(9):1116–22.PubMedPubMedCentralCrossRef
30.
go back to reference Najman JM, Morrison J, Williams G, Andersen M, Keeping JD. The mental health of women 6 months after they give birth to an unwanted baby: a longitudinal study. Soc Sci Med. 1991;32(3):241–7.PubMedCrossRef Najman JM, Morrison J, Williams G, Andersen M, Keeping JD. The mental health of women 6 months after they give birth to an unwanted baby: a longitudinal study. Soc Sci Med. 1991;32(3):241–7.PubMedCrossRef
31.
32.
go back to reference Ruchala PL, James DC. Social support, knowledge of infant development, and maternal confidence among adolescent and adult mothers. J Obstet Gynecol Neonatal Nurs. 1997;26(6):685–9.PubMedCrossRef Ruchala PL, James DC. Social support, knowledge of infant development, and maternal confidence among adolescent and adult mothers. J Obstet Gynecol Neonatal Nurs. 1997;26(6):685–9.PubMedCrossRef
33.
go back to reference Shin N, Lee J, Kim M, Kim Y, Cho B, Hong S, et al. Panel Study on Korean Children : Preliminary report. In: Korea Institute of Child Care and Education. 2007. Shin N, Lee J, Kim M, Kim Y, Cho B, Hong S, et al. Panel Study on Korean Children : Preliminary report. In: Korea Institute of Child Care and Education. 2007.
34.
go back to reference Kessler RC, Andrews G, Colpe LJ, Hiripi E, Mroczek DK, Normand SL, et al. Short screening scales to monitor population prevalences and trends in non-specific psychological distress. Psychol Med. 2002;32(6):959–76.PubMedCrossRef Kessler RC, Andrews G, Colpe LJ, Hiripi E, Mroczek DK, Normand SL, et al. Short screening scales to monitor population prevalences and trends in non-specific psychological distress. Psychol Med. 2002;32(6):959–76.PubMedCrossRef
35.
go back to reference Kessler RC, Barker PR, Colpe LJ, Epstein JF, Gfroerer JC, Hiripi E, et al. Screening for serious mental illness in the general population. Arch Gen Psychiatry. 2003;60(2):184–9.PubMedCrossRef Kessler RC, Barker PR, Colpe LJ, Epstein JF, Gfroerer JC, Hiripi E, et al. Screening for serious mental illness in the general population. Arch Gen Psychiatry. 2003;60(2):184–9.PubMedCrossRef
36.
37.
go back to reference Kim KH, Kang HK. Development of the Parenting Stress Scale. Fam Environ Res. 1997;35(5):141–50. Kim KH, Kang HK. Development of the Parenting Stress Scale. Fam Environ Res. 1997;35(5):141–50.
38.
go back to reference Abidin R. Parenting Stress Index—Third Edition (PSI): Professional manual. Odessa, FL: Psychological Assessment Resources, Inc.; 1995. Abidin R. Parenting Stress Index—Third Edition (PSI): Professional manual. Odessa, FL: Psychological Assessment Resources, Inc.; 1995.
39.
go back to reference Abidin RR. Parenting stress index: Manual (PSI). Charlottesville, Va: Pediatric Psychology Press; 1983. Abidin RR. Parenting stress index: Manual (PSI). Charlottesville, Va: Pediatric Psychology Press; 1983.
40.
go back to reference Abidin RR. Parenting Stress Index:(Short Form). Charlottesville, Va: Pediatric Psychology Press; 1990. Abidin RR. Parenting Stress Index:(Short Form). Charlottesville, Va: Pediatric Psychology Press; 1990.
41.
go back to reference Crnic KA, Greenberg MT. Minor parenting stresses with young children. Child Dev. 1990;61(5):1628–37.PubMedCrossRef Crnic KA, Greenberg MT. Minor parenting stresses with young children. Child Dev. 1990;61(5):1628–37.PubMedCrossRef
42.
go back to reference Mann MB, Thornburg KR. Guilt of working women with infants and toddlers in day care. Early Child Dev Care. 1987;27(3):451–64.CrossRef Mann MB, Thornburg KR. Guilt of working women with infants and toddlers in day care. Early Child Dev Care. 1987;27(3):451–64.CrossRef
43.
go back to reference Markman H, Stanley S, Blumberg SL. Fighting for your marriage : positive steps for preventing divorce and preserving a lasting love. 1st ed. San Francisco: Jossey-Bass; 2001. Markman H, Stanley S, Blumberg SL. Fighting for your marriage : positive steps for preventing divorce and preserving a lasting love. 1st ed. San Francisco: Jossey-Bass; 2001.
44.
go back to reference H-s C. A Basic Study for Developing “the Marriage Preparation Program”. J Korean Home Manag. 2004;22(1):91–101. H-s C. A Basic Study for Developing “the Marriage Preparation Program”. J Korean Home Manag. 2004;22(1):91–101.
45.
go back to reference Hong SR. Studies in the variables related to the thirties husband’s family role performances. Seoul: KyungHee University, Unpublished Dissertation; 1995. Hong SR. Studies in the variables related to the thirties husband’s family role performances. Seoul: KyungHee University, Unpublished Dissertation; 1995.
46.
go back to reference Kang HK. Dual - Career Parenting Stress: Effects of Mother’s Values and Support systems. Seoul: Kyung Hee University, Unpublished Dissertation; 1998. Kang HK. Dual - Career Parenting Stress: Effects of Mother’s Values and Support systems. Seoul: Kyung Hee University, Unpublished Dissertation; 1998.
47.
go back to reference MacPhee D. Knowledge of Infant Development Inventory: Survey of child care experiences & manual. In: Unpublished manuscript, Colorado State University. 2002. MacPhee D. Knowledge of Infant Development Inventory: Survey of child care experiences & manual. In: Unpublished manuscript, Colorado State University. 2002.
48.
49.
go back to reference Szklo M, Nieto J. Epidemiology: Beyond the Basics. Burlington, MA: Jones & Bartlett Learning; 2007. p. 160. Szklo M, Nieto J. Epidemiology: Beyond the Basics. Burlington, MA: Jones & Bartlett Learning; 2007. p. 160.
50.
go back to reference Nelson JA, O’Brien M. Does an Unplanned Pregnancy Have Long-Term Implications for Mother-Child Relationships? J Fam Issues. 2012;33(4):506–26.CrossRef Nelson JA, O’Brien M. Does an Unplanned Pregnancy Have Long-Term Implications for Mother-Child Relationships? J Fam Issues. 2012;33(4):506–26.CrossRef
51.
go back to reference Claridge AM, Chaviano CL. Consideration of Abortion in Pregnancy: Demographic Characteristics, Mental Health, and Protective Factors. Women Health. 2013;53(8):777–94.PubMedCrossRef Claridge AM, Chaviano CL. Consideration of Abortion in Pregnancy: Demographic Characteristics, Mental Health, and Protective Factors. Women Health. 2013;53(8):777–94.PubMedCrossRef
52.
go back to reference Wellings K, Jones KG, Mercer CH, Tanton C, Clifton S, Datta J, et al. The prevalence of unplanned pregnancy and associated factors in Britain: findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3). Lancet. 2013;382(9907):1807–16.PubMedPubMedCentralCrossRef Wellings K, Jones KG, Mercer CH, Tanton C, Clifton S, Datta J, et al. The prevalence of unplanned pregnancy and associated factors in Britain: findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3). Lancet. 2013;382(9907):1807–16.PubMedPubMedCentralCrossRef
53.
go back to reference Kim Choe M, Kim S-K. Pregnancy Wastage among Married Women in South Korea. Asian Popul Stud. 2007;3(1):37–55.CrossRef Kim Choe M, Kim S-K. Pregnancy Wastage among Married Women in South Korea. Asian Popul Stud. 2007;3(1):37–55.CrossRef
54.
go back to reference Ahn HS, Seol H-J, Lim J-E, Hong S-h, Lee SY, Park M-I, et al. Estimates of induced abortion in South Korea: Health facilities survey. J Obstet Gynaecol Res. 2012;38(1):324–8.PubMedCrossRef Ahn HS, Seol H-J, Lim J-E, Hong S-h, Lee SY, Park M-I, et al. Estimates of induced abortion in South Korea: Health facilities survey. J Obstet Gynaecol Res. 2012;38(1):324–8.PubMedCrossRef
55.
go back to reference Hall KS, Kusunoki Y, Gatny H, Barber J. The risk of unintended pregnancy among young women with mental health symptoms. Soc Sci Med. 2014;100:62–71.PubMedCrossRef Hall KS, Kusunoki Y, Gatny H, Barber J. The risk of unintended pregnancy among young women with mental health symptoms. Soc Sci Med. 2014;100:62–71.PubMedCrossRef
56.
go back to reference James-Hawkins L, Denardo D, Blalock C, Mollborn S. Do depressive symptoms in male and female adolescents predict unintended births in emerging adulthood? Matern Child Health J. 2014;18(9):2115–23.PubMedCrossRef James-Hawkins L, Denardo D, Blalock C, Mollborn S. Do depressive symptoms in male and female adolescents predict unintended births in emerging adulthood? Matern Child Health J. 2014;18(9):2115–23.PubMedCrossRef
57.
go back to reference Stidham Hall K, Moreau C, Trussell J, Barber J. Young women’s consistency of contraceptive use–does depression or stress matter? Contraception. 2013;88(5):641–9.PubMedCrossRef Stidham Hall K, Moreau C, Trussell J, Barber J. Young women’s consistency of contraceptive use–does depression or stress matter? Contraception. 2013;88(5):641–9.PubMedCrossRef
58.
go back to reference Austin PC. An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies. Multivariate Behav Res. 2011;46(3):399–424.PubMedPubMedCentralCrossRef Austin PC. An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies. Multivariate Behav Res. 2011;46(3):399–424.PubMedPubMedCentralCrossRef
59.
go back to reference Rosenbaum PR, Rubin DB. The central role of the propensity score in observational studies for causal effects. Biometrika. 1983;70(1):41–55.CrossRef Rosenbaum PR, Rubin DB. The central role of the propensity score in observational studies for causal effects. Biometrika. 1983;70(1):41–55.CrossRef
Metadata
Title
Impact of unintended pregnancy on maternal mental health: a causal analysis using follow up data of the Panel Study on Korean Children (PSKC)
Authors
Jinwook Bahk
Sung-Cheol Yun
Yu-mi Kim
Young-Ho Khang
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Pregnancy and Childbirth / Issue 1/2015
Electronic ISSN: 1471-2393
DOI
https://doi.org/10.1186/s12884-015-0505-4

Other articles of this Issue 1/2015

BMC Pregnancy and Childbirth 1/2015 Go to the issue