More than 200 doctors have called for an urgent inquiry into the risky medical treatment of children who believed they were transgender. John Whitehall, a professor of paediatrics at Western Sydney University, is taking a stand against minors being prescribed puberty blocker hormones as a precursor to getting a sex change in adulthood. His petition to federal Health Minister Greg Hunt, calling for a parliamentary inquiry into childhood gender dysphoria, received 131 signatures on its first day earlier this week. That grew to 200 within three days, with doctors concerned about children as young as 10 being rendered infertile as...