GH, very sorry to hear of the latest developments mate, although that's like saying it's inconvenient to have a rabid dog tear off a limb.
Your W really, really sounds deranged. I'm not sure what you can humanly try to do for her ... probably nothing. And as you say, even when away she can disrupt what you can do for yourself.
With her carrying your kid, I think you have some decisions to make ...
Me 42 W 39 Married: 11 Jan 1998, T: Since 1992 First Bomb: Sep 2007 Confirmed A/OM: 4 Nov 2007 Kids: D10, S5 Reconciled and together again after (alot of) time and heartbreak. 3rd kid, S, born 2 Jan 2010.