I've always heard those things hurt like the devil - but if you're used to it I think it's perfectly safe to use while you're pregnant. There are no chemicals involved, to my understanding, and it seems as though the "trauma" would be minimal (if you're used to it!). And I don't think the electricity of the machine would be any different than a regular electric razor... so... I would say go for it, have a fabulous holiday, and congratulations!!
On a side note: I've known several women who have gotten tattooed while pregnant will no adverse effects, and I would think that would be a no-no. Thus my reasoning that - if an Epilator hurts equal to or less than a tattoo machine - it's fine.
27f, dx'd CD July '05 after 6 fistula/abscess surgeries
(miscarried at 13 weeks, now waiting to heal before trying again)
Stopped Humira August 22nd, 2008.
Went Gluten-Free, noticing some definite improvement.
Started LDN October 27th, and already LOVING IT.
"Our greatest fear is not that we are inadequate, but that we are powerful beyond measure."