Feel free to add your own uses too, but it doesn't get much more complex than that, adding anything more can confuse women's little brains.
As long as you act like a good obedient woman, and have that big pregnant belly bulging out of a tight dress like this breeder, Men will love to have you around.
So get to it, girls, serve the Men in your life like a good woman, and you might just be rewarded with a baby growing in your womb.