“…Stuttering actually has a well-known gender skew in prevalence. A survey of the literature for this article revealed 19 studies where observed stuttering rates for males and females could be established along with measures of uncertainty (McCulloch and Fawcett, 1964;Porfert and Rosenfield, 1978;Ardila et al, 1994;Månson, 2005;Craig et al, 2002;McKinnon et al, 2007;van Borsel et al, 2006;Dworzynski et al, 2007;Proctor et al, 2008;Mohamadi et al, 2008;Akhavan Karbasi et al, 2011;Rautakoski et al, 2012;McAllister et al, 2012;Kefalianos et al, 2014;Obeid et al, 2015;Abou Ella et al, 2015;Thapa et al, 2016;Mohamadi et al, 2016;Gerlach et al, 2018).…”