Sex? Gender? These two words are often used interchangeably, but there are distinct differences.

Sex is commonly understood to be based on a person’s genitals and reproductive organs; these anatomical details are thought to define a person as male or female. Gender is often understood to refer to gender identity, meaning your internal sense of yourself as female, male, or other, regardless of biology.

(Some people born with external genitals and/or internal reproductive organs that are not exclusively male or female. For more information, see More