“…With regard to the remaining 19 articles relevant for this study, three groups could be distinguished: 1) five case studies (Ballard et al, 1995;Bydlowski & Raoul-Duval, 1978;Church & Scanlan, 2002;Fones, 1996;Moleman et al, 1992); 2) 10 quantitative studies (Allen, 1998;Ayers & Pickering, 2001;Creedy et al, 2000;Czarnocka & Slade, 2000;Keogh, Ayers, & Francis, 2002;Lyons, 1998;Skari et al, 2002;Soderquist, Wijma, & Wijma, 2002;Soet, Brack, & DiIorio, 2003;Wijma et al, 1997); and 3) four studies on emergency cesarean section (Ryding, Wijma, & Wijma, 1997;Ryding, Wijma, & Wijma, 1998a;Ryding, Wijma, & Wijma, 1998b;Ryding, Wijma, & Wijma, 2000). One study used both qualitative and quantitative analyses (for the current article we used the qualitative results, as the quantitative results did not indicate clear data about prevalence or risk factors).…”