Nother waxer here. Get it done tomorrow if you can (Saturday) so any inflammation has time to subside.
From a theatre nurses point of view - we don't really care, but regrowth sucks when it is ripped out by a dressing and hospital supplied razors are never great so it's never 'smooth' IYKWIM?
It stings a tiny bit more when preg but so so worth it as your wound should be almost healed by the time you start to get any regrowth from waxing - much less risk of infection too as shaving nicks the skin and waxing doesn't