Children aged 14 who question their gender should be given irreversible cross-sex hormones and girls as young as 15 should be allowed breast removal surgery, says global trans organisation.
- World Professional Association for Transgender Health wants age limits lowered
- It says it is unethical for children to be stopped from receiving treatment at 14
- It said it should be done so they can undergo puberty at the same time as friends
- There is criticism from some medical professionals about a 'lack of evidence'