Available online 14 November 2022
Author links open overlay panelAbstractContextGonadotropin-releasing hormone analogues (GnRHAs) delay the progression of puberty in transgender and nonbinary (TGNB) adolescents and reduce the impact of dysphoria due to ongoing physical development. The intervention remains contentious despite growing evidence to support this practice.
ObjectiveTo stimulate discussion on this topical issue in the urological and gynaecological community given potential ramifications for future fertility, physical development, and options for gender affirmation surgery (GAS).
Evidence acquisitionWe conducted searches of the MEDLINE (from 1946) and Embase (from 1974) databases for the benefits and potential challenges of hormone blockade in TGNB adolescents on February 1, 2022. Evidence with a primary focus on clinical issues of interest to urologists and gynaecologists was objectively synthesised and reported.
Evidence synthesisThe onset of puberty represents a period of distress for TGNB adolescents as secondary sexual characteristics develop. GnRHAs are prescribed to inhibit sex hormone production, but the decision to treat should be balanced against the known (and unknown) adverse effects. Fertility preservation is more likely to be successful if GnRHA treatment is delayed for as long as possible. Some adolescents may decide to stop GnRHA use to harvest spermatozoa or oocytes before starting gender-affirming hormone treatment. Transfeminine individuals should consider that options for genital GAS may become more limited, as vaginoplasty with penile skin inversion requires an adequate stretched penile length. Transmasculine individuals may no longer require chest reconstruction for breast development.
ConclusionsOffers of GnRHA treatment to TGNB adolescents should be balanced by careful preparation and counselling. Urologists and gynaecologists can complement the expertise of specialist psychosocial and adolescent endocrinology teams, and should be involved early in and throughout the treatment pathway to maximise future functional and surgical outcomes.
Patient summaryPuberty blockers for transgender and nonbinary adolescents have benefits, but timing is important to preserve fertility and surgical options.
KeywordsFertility
Gender dysphoria
Gonadotropin-releasing hormone analogues
Hormone blockers
Transgender
View full text© 2022 European Association of Urology. Published by Elsevier B.V. All rights reserved.
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