The human fetus has no worth except for what the mother says it has. If she thinks it is worthwhile, it's infinitely precious. If she doesn't, it is infinitely worthless. It is a very odd moral scheme. It applies nowhere else in life, where one individual determines the complete worth of something else. We don't even allow that for dogs. We don't say dog owners determine the worth of dogs. But human fetus owners determine the worth of a fetus. It is a fascinating development in the degradation of our value system.