Kamar yadda yake tare da "daidaitawar jima'i," manufar "transgender" ita kanta matsala ce saboda ba ta da tushen kimiyya ko ma yarjejeniya tsakanin masu fafutuka na LGBT. Duk da haka, babu shakka cewa a cikin al'ummomin Yammacin Turai matakin abubuwan da suka faru na transgender da ke musanta gaskiyar ilimin halitta ya karu sosai a cikin 'yan shekarun nan. Idan 2009 in Asibitin Tavistock Matasa na 97 sun yi magana da dysphoria na jinsi, to a bara adadinsu ya kai fiye da dubu biyu.