Seems like a "Damned if you do, damned if you don't" kind of situation.
You either get what appear to be two men/women married, or you get a transsexual married to a member of the former (or something) sex.
And, before someone tells me that the two men/women thing will never happen because transsexuals are all scary like the ones pictured above, I submit transsexual Korean pop singer Ha Ri Su as evidence that sometimes, it works pretty well: