Quote Originally Posted by Caledonian Rhyfelwyr
Obiously if the mother's life is at risk before the baby is capable of surviving on its own, then this sounds like a terrible thing to say, but you basically have to cut your losses.

Because if it is inevitable the baby will die with the mother anyway, then the mother may as well be saved. In these circumstances the mothers right to self-defence, or you could say to life, clinches it.
Does that mean that it is not murder when two stranded mountaineers kill their third companion to survive? All three of them won't survive if the third guy was not killed. They're cutting their losses, right?