I'm a woman (as in, an XX woman), and I prefer an even mix, even though I'm same-sex attracted in the real world.

All the creators and fans of my and others' work that I associate with are biologically female and usually prefer either sex with a leaning towards male or sexually ambiguous characters.

We tend to keep to our own and usually don't cross paths with the male part of the guro "community". I believe our attraction to guro is very different at its core, most likely due to women being socialized differently from men, so I see no issue in this voluntary segregation.
I'm sure you can look at guro art made by men and guro art made by women and see what I mean