1. Ayers S, Bond R, Bertullies S, Wijma K. The aetiology of post-traumatic stress following childbirth: a meta-analysis and theoretical framework. Psychol Med. 2016; 46(6):1121–1134.
https://doi.org/10.1017/S0033291715002706.

2. Silverman ME, Reichenberg A, Savitz DA, et al. The risk factors for postpartum depression: a population-based study. Depress Anxiety. 2017; 34(2):178–187.
https://doi.org/10.1002/da.22597.

3. Liu X, Wang S, Wang G. Prevalence and risk factors of postpartum depression in women: a systematic review and meta-analysis. J Clin Nurs. 2021 Nov 8 [Epub].
https://doi.org/10.1111/jocn.16121.

7. Yildiz PD, Ayers S, Phillips L. The prevalence of posttraumatic stress disorder in pregnancy and after birth: a systematic review and meta-analysis. J Affect Disord. 2017; 208:634–645.
https://doi.org/10.1016/j.jad.2016.10.009.

8. Kang JH, Rha DW, Kwon JY, Kim TY, Kim KR, Lee S. A study of reliability and validity on the Korean version of perinatal PTSD questionnaire. J Korean Soc Depress Bipolar Disord. 2011; 9(1):24–29.
9. Gankanda WI, Gunathilake IA, Kahawala NL, Ranaweera AK. Prevalence and associated factors of post-traumatic stress disorder (PTSD) among a cohort of Srilankan post-partum mothers: a cross-sectional study. BMC Pregnancy Childbirth. 2021; 21(1):626.
https://doi.org/10.1186/s12884-021-04058-z.

10. Dikmen-Yildiz P, Ayers S, Phillips L. Longitudinal trajectories of post-traumatic stress disorder (PTSD) after birth and associated risk factors. J Affect Disord. 2018; 229:377–385.
https://doi.org/10.1016/j.jad.2017.12.074.

11. Cook N, Ayers S, Horsch A. Maternal posttraumatic stress disorder during the perinatal period and child outcomes: a systematic review. J Affect Disord. 2018; 225:18–31.
https://doi.org/10.1016/j.jad.2017.07.045.

13. Çapik A, Durmaz H. Fear of childbirth, postpartum depression, and birth-related variables as predictors of posttraumatic stress disorder after childbirth. Worldviews Evid Based Nurs. 2018; 15(6):455–463.
https://doi.org/10.1111/wvn.12326.

14. Thiel F, Dekel S. Peritraumatic dissociation in childbirth-evoked posttraumatic stress and postpartum mental health. Arch Womens Ment Health. 2020; 23(2):189–197.
http://doi.org/10.1007/s00737-019-00978-0.

15. Agius A, Xuereb RB, Carrick-Sen D, Sultana R, Rankin J. The co-existence of depression, anxiety and post-traumatic stress symptoms in the perinatal period: a systematic review. Midwifery. 2016; 36:70–79.
https://doi.org/10.1016/j.midw.2016.02.013.

16. Dekel S, Ein-Dor T, Dishy GA, Mayopoulos PA. Beyond postpartum depression: posttraumatic stress-depressive response following childbirth. Arch Womens Ment Health. 2020; 23(4):557–564.
https://doi.org/10.1007/s00737-019-01006-x.

17. Park YK, Ju HO, NA H. Reliability and validity of the Korean version of the perinatal post-traumatic stress disorder questionnaire. J Korean Acd Nurs,. 2016; 46(1):29–38.
https://doi.org/10.4040/jkan.2016.46.1.29.

18. Garthus-Niegel S, von Soest T, Vollrath ME, Eberhard-Gran M. The impact of subjective birth experiences on post-traumatic stress symptoms: a longitudinal study. Arch Womens Ment Health. 2013; 16(1):1–10.
https://doi.org/10.1007/s00737-012-0301-3.

19. Cho H, Ahn S. Do childbirth confidence, prenatal depression, childbirth knowledge, and spousal support influence childbirth fear in pregnant women? Korean J Women Health Nurs. 2020; 26(4):358–366.
https://doi.org/10.4069/kjwhn.2020.12.14.

21. Kızılırmak A, Calpbinici P, Tabakan G, Kartal B. Correlation between postpartum depression and spousal support and factors affecting postpartum depression. Health Care Women Int. 2021; 42(12):1325–1339.
https://doi.org/10.1080/07399332.2020.1764562.

25. Don BP, Mickelson KD. Paternal postpartum depression: the role of maternal postpartum depression, spousal support, and relationship satisfaction. Couple Family Psychol,. 2012; 1(4):323–334.
https://doi.org/10.1037/a0029148.

26. Shlomi Polachek I, Huller Harari L, Baum M, Strous RD. Postpartum anxiety in a cohort of women from the general population: Risk factors and association with depression during last week of pregnancy, postpartum depression and postpartum PTSD. Isr J Psychiatry Relat Sci. 2014; 51(2):128–134.
https://pubmed.ncbi.nlm.nih.gov/25372562.
27. Orovou E, Dagla M, Iatrakis G, Lykeridou A, Tzavara C, Antoniou E. Correlation between kind of cesarean section and posttraumatic stress disorder in Greek women. Int J Environ Res Public Health. 2020; 17(5):1592.
https://doi.org/10.3390/ijerph17051592.

29. Cox JL, Holden JM, Sagovsky R. Detection of postnatal depression. Development of the 10-item Edinburgh Postnatal Depression Scale. Br J Psychiatry. 1987; 150:782–786.
https://doi.org/10.1192/bjp.150.6.782.

30. Kim YK, Hur JW, Kim KH, Oh KS, Shin YC. Clinical application of Korean version of Edinburgh postnatal depression scale. J Korean Neuropsychiatr Assoc. 2008; 47(1):36–44.
31. Callahan JL, Borja SE, Hynan MT. Modification of the Perinatal PTSD Questionnaire to enhance clinical utility. J Perinatol. 2006; 26(9):533–539.
https://doi.org/10.1038/sj.jp.7211562.

32. Wijma K, Wijma B, Zar M. Psychometric aspects of the W-DEQ; a new questionnaire for the measurement of fear of childbirth. J Psychosom Obstet Gynaecol. 1998; 19(2):84–97.
https://doi.org/10.3109/01674829809048501.

33. Park S, Ahn S, Yoo H, Cho H, Kim SA. Validation of the Korean version of the Wijma delivery expectancy/experience questionnaire (W-DEQ). Poster session presented at: 30th International Nursing Research Congress; 2019 July 25-29; Calgary, AB. Calgary: Sigma Theta Tau International, 2019.
35. Kress V, von Soest T, Kopp M, Wimberger P, Garthus-Niegel S. Differential predictors of birth-related posttraumatic stress disorder symptoms in mothers and fathers - a longitudinal cohort study. J Affect Disord. 2021; 292:121–130.
https://doi.org/10.1016/j.jad.2021.05.058.

36. Yoo H, Ahn S, Park S, Kim J, Oh J, Koh M. Factors influencing prenatal and postpartum depression in Korea: a prospective cohort study. Korean J Women Health Nurs. 2021; 27(4):326–336.
https://doi.org/10.4069/kjwhn.2021.11.17.

37. Liu Y, Zhang L, Guo N, Jiang H. Postpartum depression and postpartum post-traumatic stress disorder: prevalence and associated factors. BMC Psychiatry. 2021; 21(1):487.
https://doi.org/10.1186/s12888-021-03432-7.

38. Gankanda WI, Gunathilake IA, Kahawala NL, Ranaweera AKP. Prevalence and associated factors of post-traumatic stress disorder (PTSD) among a cohort of Srilankan post-partum mothers: a cross-sectional study. BMC Pregnancy Childbirth. 2021; 21(1):626.
https://doi.org/10.1186/s12884-021-04058-z.
