I'm just popping in to say YAY for this thread!! SPD is such an under-acknowledged thing that we're kind of expected to grin and bear it like it's "normal" late-pregnancy aches and pains.

Re the crutches, I know a couple of ladies who just went straight for a walking frame...has the added benefit that you can stop and sit halfway thru your journey if you need to. I don't know if I could've managed crutches...