Choreography is mentally draining, but there's a pleasure in getting into the studio with the dancers and the music.
It's a mistake to dwell too much on the consequences of a piece of work that you're making.
If you feel inside you are a woman, be a woman - no one can take that away from you, man. No one can make that feeling go away. If that's what you need to do to be complete, then no one has the right to tell you you can't do that.