[heterodoxxed]

Mastectomies are performed for non-gender-related reasons, such as prophylactic mastectomies, so it's arguable whether that falls under the definition of SRS/GRS. For any reason, it is exceedingly, vanishingly rare in children.

It seems like an oddly small number to obsess over, especially considering over 8,000 non-trans teenagers between 13 and 19 receive breast augmentations each year.

From your link:

| the mean (SD) age was 19 (2.5) years for postsurgical participants and 17 (2.5) years for nonsurgical participants

Surgical patients would be the ones who are in the most danger of suicide or self-harm or for whom nonsurgical (hormone) treatment is not an option.

Also,

| Self-reported regret was near 0.

Here is the document that the report refers to as the standard for care for transgender patients:

https://s3.amazonaws.com/amo_hub_content/Association140/file...

You'll want to look at Section VI: . Assessment and Treatment of Children and Adolescents with Gender Dysphoria.