The prevalence of DIY hormone therapy in the trans community varies between studies, from 11% to 79%.
[5] A 2022 review article concluded that DIY hormone replacement therapy "is related to challenges finding knowledgeable and non-stigmatising health workers, lack of access to appropriate services, exclusion, discomfort managing relationships with health workers, cost and desire for a faster transition.
"[1] Estimates of the prevalence of DIY hormone therapy in the trans community vary significantly.
[1][3] According to a 2022 review, at the low end, 11% of Ontarian transgender people report having used DIY HRT; at the other extreme, 79% of trans women from Rio de Janeiro have done the same.
A 2022 review identified no peer-reviewed studies on the effectiveness of self-administered gender-affirming hormones.