S.M.
I had an external rotation at 38 wks, of an 8 lb baby. I was not given any pain medication, but was given a shot of a muscle relaxer, to help relax my uterus.
I will admit that it HURT LIKE HECK! Two drs performed the rotation, and a nurse monitored with a sono machine. It took about 4 minutes total, though it felt like forever. My dr just told me to keep breathing, and tried to make jokes. They were successful, and I went into labor on my own a few weeks later.
After the rotation, my nurse told me that some dr's are definitely more successful than others, and that it's always best to have 2 dr's perform it, and she thinks it greatly increases the success rate.
In the end, I think the pain was worth it. Hope this helps!