Hmm while everyone is worrying about having nothing to make a vagina with, I suppose I will in my usual fashion, ask the logical question....
So AFTER the surgery, how vitally important is it going to be to you, to have something that a man can shove HIS manhood into?
I mean, that is basically what it comes down to eh, are you looking forward to being female on your back legs wide open with a guy being a guy inside you?
Because this is where you need to be reminded why it is not vital for a man to be hung like a horse. Men only need the first 2 inches for the penis to do what it does, the rest is just a lot of thrust that might as well be not happening. And thus, if your vaginal length is not able to accept much more than 3-5 inches, well you will simply not need for them to use more than 3-5 inches any more than any cis female really doesn't want some 9 inch monster insisting he has to put all 9 inches inside.
In my case, I don't see any man in my future

so I am not concerned about my very totally average gear providing a very limited vagina option. I'm not planning to take well hung men to bed