dilly, I'd go at 36 or 37 weeks. At least you'll be sure of a couple of weeks rest if baby turns up a wee bit early.
Congrats on your bump's willy nunnie! That made me laugh. Hope all is well with his kidney.
Elsa, DS3 had a soft marker at the 20 week scan (also at FMC). It was in his brain - a chorionic plexus cyst. Sonographer was great and spent so much time looking at other parts of anatomy to double and triple check for any other markers. There were none. Apparently CPCs seen alone are now considered nothing to worry about - possibly the same with other soft markers. Of course I googled and scared myself shitless but all was fine.
Right, off for a bath to see if this horrendous back pain will calm down.