From the female and male symbols. Intersexual or transgender.
The intersexual or transgender symbol is derived from the female and male symbols.Fibonacci/Wikimedia Commons

A three year-old child has become one of the youngest ever to receive treatment for a possible gender identity disorder, it has been revealed.

The three year-old was seen by experts who treat gender dysphoria, a condition where a person experiences discomfort or distress because there is a mismatch between their biological sex and gender.

Doctors at the Portland Clinic in London treated the child, who was the youngest of 468 children under 18 seen at the private hospital in the last year.

It is not known if the child is a boy or a girl, although generally seven times as many boys are referred for gender dysphoria as girls. Experts at the Portland say most children who are referred for treatment choose not to have any gender reassignment treatments or surgeries.

Former boxing promoter Kellie Maloney, previously called Frank, announced to the world in August that she is having a sex change. She has previously said that "It was probably when I was three or four that I knew I was different."

A spokesperson for the clinic told the Sunday Mirror: "In the case of children presenting with gender dysphoria in pre-pubescence, the majority do not end up choosing to undertake physical intervention."