Why doesn't the child you could save with a liver lobe deserve legal protection? What gives you the right to decide they will die?
Why is it OK to kill one child by denying your body for his support, but it is not OK to kill another child by denying a woman's body for his support? It sounds like you want other people to give of their bodies, as long as you don't have to give of yours.
Yes, and she gets to say what is done with it.
You have just explained that you can let someone die by denying them your body's support, and that you are OK with that.
But let's take your claim a step further. Let's say some guy you know vaguely comes over to your house. He refuses to leave. He demands food and shelter. He explains that he has a condition and it's unsafe for him to go outside. Are you legally obligated to give him food and shelter?
I guess I am clueless! The analogy fails for me!