Worldwide prevalence of hypospadias

True prevalence of hypospadias and trends were difficult to estimate. For the future, to be able to assess the true prevalence of hypospadias and changes in prevalence collaboration of national and international prospective registers is recommended.StudyYearCountryPer 10,000 live birthsTime periodTrendBergman et al.201523 European regions18.62001-2010Different trendsChul Kim et al.2011South Korea1.4-3.32000-2004IncreasingElliott et al.2011USA421985-2006No increasePaulozzi1999International registries10-451964-1997Partial increasePaulozzi et al.1997USA17-501968-1993Increasing1970-1993