New York City Mayor Bill de Blasio speaks in 2017. The mayor signed a provision into a law on Tuesday that allows people born in New York City who do not identify as male or female to change their birth certificate sex to a third-category of X.

New York City Mayor Bill de Blasio speaks in 2017. The mayor signed a provision into a law on Tuesday that allows people born in New York City who do not identify as male or female to change their birth certificate sex to a third-category of X.

New York City Mayor Bill de Blasio speaks in 2017. The mayor signed a provision into a law on Tuesday that allows people born in New York City who do not identify as male or female to change their birth certificate sex to a third-category of X.

New York City Mayor Bill de Blasio speaks in 2017. The mayor signed a provision into a law on Tuesday that allows people born in New York City who do not identify as male or female to change their birth certificate sex to a third-category of X.