hi cuddlyss,

1. it shouldn't be a problem
2. Why would you want to use IFC for in particular? Get some ice on it for swelling, get her functionally strong looking for failed load transfer through her L/S, Wikipedia reference-linkSIJ, hips, knees, ankles, feet etc

I really don't like electrotherapy as a general rule but i will admit that i have used it on people with knee pain before and it has helped...however it is only for 1-3 session only...

Lastly, if you mean brooklyn in the USA, i wouldn't bother to do IFC or anything lese that may get the patient to think that it may have been something that you did in the terrible event of a miscarriage. Keep it simple is my suggestion...

Cheers