L.D.
A lot of people are going to hate me for saying so, BUT...
She needs to marry her boyfriend asap. If she's not married, that chance of "being alone" will always be hanging over her head.
I realize that this won't help her in the short-term as she delivers the child, though.
I'm a pretty liberal person, but the tradition of marriage before kids is there for a reason. We're all moms here. Once you have a child, the situation is pretty permanent. At that point, any "fear of commitment" is moot. You're committed!