You people are scary....I mean that.You're being inconsistent. If you don't want post-op transexuals competing in women's sports, then defining sex by whether or not you have a penis isn't good enough.
I am defining sex by something rather, "elementary"---If you were BORN with a DICK, you're a dude. If you were BORN with a vagina--you're a woman. Removing one or the other, doesn't change that.
Clear enough for you?