I used to sleep around a lot in my uni days and would have a routine. Just go in the shower, clean yourself up, come out and quite matter of factly say "i've left it running for you, there's a really nice towling robe i just bought on the back of the door"....etc etc. Also i'd make sure they'd already been to the bathroom and seen that it was clean, nice and had lots of cleaning products (foamburst, Palmoiive, nothing too fancy). 9/10 times they were more than happy to take the offer.
The first reason for this is that although it might alter the mood somewhat initially, the pay off was great, i.e a nice clean bird naked except for a towling robe, which i find hot.
The second and more important reason was that if you've pulled a bird at a club, she's likely been dancing around with a hot sweaty crotch for best part of 6 hours...and i'll be damned if i'm going down on that.
I've definitely slept with stinky women, mostly drunk ones. In fact, i'd say the vast majority of women i picked up in clubs needed a wash. Could be my nose, could be my choice of women.....but getting them in the shower was definitely a good idea for all concerned.
WGs almost always smell good. A by-product of constantly cleaning spaff off your various body parts i imagine. Except the druggies. If you've got a drugged up, stinky whore you're thinking of getting jiggy with, you're better off running a mile than a bath.