My personal experience is that my boobs adjusted quite well when I returned to work. I went back three days and basically the baby would feed normally on my days at home and just not feed during the day on my work days. Baby and breast seemed fine with that!

If you are worried, you could try stretching her feeds out a bit now, in preparation? As MadB says the important thing is to prevent any blockages occurring.

Good luck - it can be a bit of adjusting initially!