Mine stopped working after 2 hours. No matter how many times I pressed that damn button. I felt all of the contractions and had all feeling of my legs.
My right side was number than my left and I mean almost fully. They had to move it over some more so it would numb my left. After that I was laugh at the fact I could feel my legs haha
Mine only worked for 15 minutes and then it only worked in the right side of my body and then not at all. I hated it. The next time I was in labor I went natural and it was so much better than the awful epidural!