Child and Adolescent Psychiatry — MCQs

Q: What is the recommended age for initiating puberty suppression therapy with GnRH analogs in adolescents with gender dysphoria according to international guidelines?

Tanner stage 2-3. ***Tanner stage 2-3*** - **GnRH analogs** are recommended to be initiated at **Tanner stage 2-3**, as this marks the onset of physical puberty where changes are still largely reversible. - This timing prevents the development of **secondary sexual characteristics** that cause significant distress, while allowing the adolescent more time for **psychological exploration**. *Tanner stage 1* - Initiating therapy at this stage is considered **premature** because the hypothalamic-pituitary-gonadal axis has not yet been activated. - Guidelines require the physical onset of puberty to be documented to confirm the **biological trajectory** of the adolescent. *After 18 years of age* - Waiting until adulthood is typically the standard for **gender-affirming surgeries**, not for **puberty suppression**. - Postponing treatment until 18 allows irreversible **endogenous puberty** to complete, which may exacerbate **gender dysphoria** and necessitate more invasive future procedures. *Tanner stage 4-5* - These stages represent late or completed puberty, where most **permanent physical changes** (such as voice deepening or breast development) have already occurred. - While **GnRH analogs** can still be used to stop menses or further virilization, the primary benefit of early **puberty suppression** is largely lost by this stage.

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