My first two were fully medicalized hospital births with epis and pit. Then, when I became pregnant with dd2, I felt very strongly that I should go natural. I couldn't get away from it. I prayed about it a lot and got a doula. My mom was very pro-hospital birth (her easiest was a scheduled C-section) and dh didn't believe I could do it, but I knew I had to.
We labored at home until I was at 7, went in to the hospital and labored another hour or two until I was ready to push. Then the OB and nurse went completely white and got very, very scared. Turned out that until my water broke as I was ready to push, they didn't realize that she had a prolapsed cord. The waters had been cushioning and protecting it, and her heart rate had stayed fine. She was out in four pushes, and the L&D nurse, who had never seen an unmedicated birth, was amazed. Dd2 was perfectly fine. My OB told us that if I had had the regular epi/pit cycle it would have been an emergency c-section, but probably too late to save her.
This time around, not only are we going natural, but also having a homebirth (as soon as dh is persuaded, anyway