Depending on poverty levels, she actually might have to. Not saying shoplifting is fine, but it might help to keep in mind that if people cat fed their children the legal way that they will move to crime to do so. Whether they caused their own situation (at least in part) or not doesn’t matter in that equation.
Also, again, you don’t murder somebody (actually, somebodies, according to their own laws as she was pregnant) for stealing a few items. There are better ways of handling that.