“Likening tests of such harms to a trial of the dangers of jumping out of a plane without a parachute, they write: “The likelihood of infertility when puberty blockers are provided at the early stage of puberty and followed by cross-sex hormones does not have to be demonstrated in a clinical trial. This is because the mechanism is well understood and conducting a trial would amount to an unethical ‘parachute test’.”
www.thetimes.com/article/800fc8c9-e7f0-438c-85d4-994a41d7b40f?shareToken=81a030aa2be0295070bc6a3185833d96