Ameyaw EK. Prevalence and correlates of unintended pregnancy in Ghana: analysis of 2014 Ghana Demographic and Health Survey. Mater Health Neonatol Perinatol. 2018;4(1):17.
Najafi F. Systematic review and meta-analysis of prevalence of unwanted pregnancy in Iran, 1995-2006. J Kerman Univ Med Sci. 2011;16(57):280–7.
Mohammed F, Musa A, Amano A. Prevalence and determinants of unintended pregnancy among pregnant woman attending ANC at Gelemso general hospital, Oromiya region, East Ethiopia: a facility based cross-sectional study. BMC Womens Health. 2016;16(1):56.
Habib MA, Raynes-Greenow C, Nausheen S, Soofi SB, Sajid M, Bhutta ZA, Black KI. Prevalence and determinants of unintended pregnancies amongst women attending antenatal clinics in Pakistan. BMC Pregnancy Childbirth. 2017;17(1):156.
Jarahi L, Zavar A, Neamat SM. Evaluation of the frequency of unwanted pregnancy and its related factors in the pregnant women of Sarakhs city. Iran J Obstet Gynecol Infertil. 2014;17(124):8–14.
Sable MR, Wilkinson DS. Impact of perceived stress, major life events and pregnancy attitudes on low birth weight. Fam Plan Perspect. 2000;32:288–94.
Abedian Z, Dormohamadi M. Investigating the cause of unwanted pregnancies in oral contraceptive pills users referred to health centers of Mashhad, Iran in 2008. Iran J Obstet Gynecol Infertil. 2014;17(94):20–7.
Abajobir AA, Maravilla JC, Alati R, Najman JM. A systematic review and meta-analysis of the association between unintended pregnancy and perinatal depression. J Affect Disord. 2016;192:56–63.
Finer LB, Zolna MR. Declines in unintended pregnancy in the United States, 2008–2011. N Engl J Med. 2016;374(9):843–52.
Shahbazin S, Gholami A. Prevalence of unintended pregnancy and its related factors in Kermanshah, Kangavar city (west Iran). J Commun Health Res. 2015;4(1):19–28.
Hassan-Ghasemi A, Abdorrahman C, Hashem H. Prevalence of unwanted pregnancy and its related factors in interruption method users in Gorgan health-care centers in 2010. J Health Syst Res. 2013;9(11):1201–13.
Mehrdad P, Abedini S, Ghanbarnejad A, Karimi S. Prevalence and determinants of unwanted pregnancy in south of Iran, BandarAbbas. Life Sci J. 2014;11(1):117–21.
Moosazadeh M, Nekoei Moghadam M, Emrani Z, Amiresmaili M. Prevalence of unwanted pregnancy in Iran: a systematic review and meta-analysis. Int J Health Plann Manag. 2014;29(3):e277–90.
Farrugia M, Kirsch A. Application of the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement to publications on endoscopic treatment for vesicoureteral reflux. J Pediatr Urol. 2017;13(3):320–5.
Higgins JP, Thompson SG. Quantifying heterogeneity in a meta-analysis. Stat Med. 2002;21(11):1539–58.
Moher D, Liberati A, Tetzlaff J, Altman DG. Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. Ann Intern Med. 2009;151(4):264–9.
Kiani M, Khakshour A, Vakili R, Saeedi M, Mosavi GS. Prevalence of unwanted pregnancy and its related factors in women Mashhad city in 2013. J North Khorasan Univ Med Sci. 2013;5(2):421–9.
Moeini M, Mokhtari N, Vafaei Z. Unwanted pregnancy after earthquake in bam city, Iran. Pharmacophore. 2018;9(2):80–4.
Omani-Samani R, Ranjbaran M, Mohammadi M, Esmailzadeh A, Sepidarkish M, Maroufizadeh S, Almasi-Hashiani A. Impact of unintended pregnancy on maternal and neonatal outcomes. J Obstet Gynecol India. 2018;69:1–6.
Omolbanin K, Gholamreza S, Hassanzahdeh A, Mozhgan R. The relation between body mass index and unintended pregnancy in women using contraceptive pills. Health Syst Res. 2012;8(1):32–6.
Sajjadi H, Hoseinpour N, Sani MS, Mahmoodi Z. Health literacy and unintended pregnancy among rural Iranian women. J Res Health. 2016;1(1):1–6.
Valipour M, Nodushan AA. Factors pertaining to unintended pregnancy amongst women visiting healthcare centers of Yazd City. J Commun Health Res. 2015;4(2):128–37.
Zare N, Behroozi B, Jafari P, Moradi F. Unwanted pregnancies among rural women in south of Iran: a model based approach. World Appl Sci J. 2012;20(7):1063–7.
Ostad Norozi N, Zokaei M, Khoramdel Z, Zandevakili F. Prevalence of unwanted pregnancy and its related demographic factors in Kurdistan-2012. J Neyshabur Univ Med Sci. 2014;2(2):44–9.
Hossein Rashidi B, Malek Afzali H, Haghollahi F, Naghi Jaffarabadi M, Eslami M, Yazdanpanah M, et al. Trend of unwanted pregnancy and induced abortion rates in Tehran: during 1981–2014. J Sch Public Health Inst Public Health Res. 2016;14(2):75–86.
Yazdani F. Comparison of some underlying variables in unplanned and planned pregnancies. J Health Breeze. 2012;1(2):19–26.
Erfani A, Hosseini H, Nojomi M. Unintended pregnancies in Hamedan, Iran: levels and determinants. Women Health. 2018;7:1–6.
Ebrahimzadeh F, Hajizadeh E, Vahabi N, Almasian M, Bakhteyar K. Prediction of unwanted pregnancies using logistic regression, probit regression and discriminant analysis. Med J Islam Repub Iran. 2015;29:264.
Ebrahimzadeh F, Azarbar A, Almasian M, Bakhteyar K, Vahabi N. Predicting unwanted pregnancies among multiparous mothers in Khorramabad, Iran. Iran Red Crescent Med J. 2016;18
Ashraf Ganjouei T, Karim Zadeh Z, Faramarzi Gohar A, Hosseini-Zijoud SS, Hosseini-Zijoud SM. Unwanted pregnancy and related causes in pregnant women in Kerman, 2013. Pajouhan Sci J. 2015;13(4):19–26.
Asadi Sarvestani K, Ahmadi A, Enayat H, Movahed M. Level and factors related to unintended pregnancy with a brief review of new population policies in Iran. Iran J Public Health. 2017;46(7):973.
Zaheri F, Ranaie F, Karimeh R, Shahoi R. Unwanted pregnancy and associated factors among pregnant women who referred to Sanandaj health centers in 2011. Iran J Obstet Gynecol Infertil. 2015;17(132):10–5.
Erol N, Durusoy R, Ergin I, Döner B, Çiçeklioğlu M. Unintended pregnancy and prenatal care: a study from a maternity hospital in Turkey. Eur J Contracept Reprod Health Care. 2010;15(4):290–300.
Finer LB, Zolna MR. Unintended pregnancy in the United States: incidence and disparities, 2006. Contraception. 2011;84(5):478–85.
Goto A, Yasumura S, Reich MR, Fukao A. Factors associated with unintended pregnancy in Yamagata, Japan. Soc Sci Med. 2002;54(7):1065–79.
Bearak J, Popinchalk A, Alkema L, Sedgh G. Global, regional, and subregional trends in unintended pregnancy and its outcomes from 1990 to 2014: estimates from a Bayesian hierarchical model. Lancet Glob Health. 2018;6(4):e380–9.