BIOLOGICAL SEX ISN'T BINARY
The science is clear — sex is a spectrum. Many people believe that biological sex is binary: either you’re male or you’re female which is so untrue. Just like gender isn’t binary, our biology isn’t binary either: it, too, exists on a spectrum. In fact, many people’s bodies possess a combination of physical characteristics typically thought of as “male” or “female.” As one example, some people with androgen insensitivity have XY chromosomes, internal testes, and external female genitalia. Traits, including hormone levels, can also vary widely both within and across sexes. But people who fall outside of what’s considered normal face discrimination. Take South African runner Caster Semenya, who was recently the subject of a ruling that ordered her to lower her naturally high testosterone levels to compete with other female runners — even though studies have shown that because testosterone levels are so highly variable, ...