Great stuff on the scan rose , on the SPD, that's one I'm very familiar with, I'm afraid. The answer really is to do as little as possible.
No lifting (tell that to my DS!!)
No walking (more than 5 mins, walk 5 rest 5 if you have to)
Limit driving (especially if you drive a manual)
Pillow between the knees when lying down
Always have both feet flat on ground when going from sitting to standing (swivel to get in and out of car)
Definitely no pushing (e.g shopping trolley or pushchair)
Bag of frozen pant-peas for your sore spots
Its really dull but having done 2 pregnancies with SPD now, rest is the best cure, and a decent mattress. Are you working?
I gave up an underwire months ago. I've got foobs so they don't change at all but think my ribs expand or something so had to switch to something softer. DP likes to point out that because they stay the same they look "tiny" next to my bump (I'm a plastic FF!). At least they aren't sore I suppose (unlike my poor beleaguered bumhole which is unchanged, if you really wanted an update...)! I think 40s style is a good look, cuppa get yourself a vintage dress and parade those missiles!
hope - I hear you, I went to pregnancy yoga last time and met a lot of women I couldn't get on the same wavelength as, have avoided all that by not going to any classes this time and posting here instead! :-)