As if anyone but the individual person has a right to define his/her Gender.  This is a human rights issue.

"HHS reportedly considering a limited definition of gender.  Is it legal?" PBS NewsHour 10/22/2018

Excerpt

SUMMARY:  According to the New York Times, the Trump administration is considering a proposal that would establish the definition of gender as a “biological,” fixed quality based on the sex the person was assigned at birth.  Critics say that such a move to would eliminate transgender identities in the workplace.  William Brangham examines the issue with Sharon McGowan of Lambda Legal.