It depends on the urgency of the surgery, the type of surgery, the surgeon and a few other factors. I have had several women come in throughout their first trimester. I vaguely recall a pregnant woman having gall bladder out but can't remember if she was late 1st tri or early 2nd. I'd book and then let the team know if you get a BFP and see what they want to do.

Good luck!

MG