Red Swamp Crayfish with off-whitish fuzz?

I took home 4 crayfish from school and 2 of them didn't get along so I moved one out to a different tank. A week or so after that I realized that the one I had recently moved was pregnant. It has been at least a month and she still has her eggs and she also has developed a weird whitish fuzz on her back, tail and pincher's. She doesn't seem to be harmed or anything but still, I would like her to be taken care of. Any advice?