I think OWs want very much to have the baby so that they have a solid claim staked. Of course, they might consider that WASs have already left one family, which does not bode so great for the next, but OWs don't care about that.
I worry about this some myself.
They will cling like death.
M: 16 years Bomb 4/07 OW 20s long gone Divorced 11/09 I remarried New Guy Cooperative r w/X regarding D