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Cohort studies in transgender care

Since 1972 the Amsterdam Cohort of Gender Dysphoria (ACOG) has followed people who present at the gender clinic of the (then) VUmc, now Amsterdam UMC.

Amsterdam Cohort

Since 1972 the Amsterdam Cohort of Gender Dysphoria (ACOG) has followed people who present at the gender clinic of the (then) VUmc, now Amsterdam UMC. It is one of the longest-running cohort studies in the world; outcomes have been published by Wiepjes and colleagues, among others.

ENIGI

The European Network for the Investigation of Gender Incongruence (ENIGI) is a collaboration of European gender clinics (including Amsterdam, Ghent, Hamburg and Oslo) that has been collecting prospective data on hormone treatment and outcomes since 2010.

Swedish population studies

Sweden combines population registries with clinical data, enabling unique epidemiological studies (such as Dhejne 2011 and Bränström 2019). Such registry studies provide large n, but often lack detail on clinical context.