Rings stuck on my fingers!

Diana
I am 18+3 today and have been in a hotter climate for the past two weeks with no air conditioning. My hands have become a little swollen and now I can't get my rings off - two on my middle finger on the right, and two on my ring finger on the left. I tugged and pulled using soap and baby oil to no avail. I even soaked in ice water. After all of that, the swelling seemed to only get worse!
Does anyone have any tips or tricks to get rings off or reduce swelling? I'm desperate!