I labored in the water with my first, no infections whatsoever! For me, I was in so much pain, at that point, nothing felt good and I wanted to get out of the water. Otherwise, I probably would have given birth to him in the tub. I would LOVE to give birth in the water, but with some bleeding issues I have had with both of my deliveries, it doesn't seem too wise for me. :( I prefer nice warm showers while in labor. :)
And honestly this is really just for my own curiosity and not to debate with her. She's made her choice and I still desire to do a water birth for myself. But I wanted the reassurance. I have yet to do any study on this or talk to my own midwives about it (they're pro-water so I'm pretty sure I know what they'll say).
If you didn't have a water birth but know someone who has you can vote on their behalf if you don't mind! I don't expect to get a whole ton of votes so any little bit helps.