Theres an article in the Telegraph about a woman who participated in the documentary
https://www.telegraph.co.uk/news/2023/06/20/tavistock-transgender-patient-mastectomy-regret/
"The documentary hears from patients including those who detransitioned like Jasmine and those for whom GIDS was a lifeline, as well as parents, clinicians and campaigners, including former health secretary, Sajid Javid.
Jasmine said that she took testosterone for just over a year which made some “irreversible” changes to her body meaning she now has to shave her face every day and her voice is “significantly lower than it was before”.
“I don’t really know what it’s like to have the body of an adult,” she said. “I don’t really know how it’s affected my fertility or my internal health. When I de-transitioned, no one checked up on me.
“When I decided I was going to detransition, they discharged me,” she claimed. “They just instantly said, okay, you’re no longer a patient here, and if you want to see us again, you have to go to the beginning of the waiting list. You’re on your own. And, of course, I had a mastectomy, which is really irreversible, so …."