What baby is viable without help?
Whether a baby/fetus is in a womb or a crib, they need constant support and care.
But you can't compell someone to take care of a baby in a crib if they don't want to.
You have to compel a specific woman to carry an unwanted pregnancy to term. WHich is not only sort of cruel, but also impractical. Are you going to put her under house arrest? Execute her if she has an illegal abortion?
You see, I see you guys showing me the Fetus Porn all day, but I have yet to hear one of you explain how you are going to enforce the abortion laws you want to impose.
If someone doesn't care for a baby in a crib what happens to them? We take that offense rather seriously. It makes no sense that the only difference is the location of the being and their age.
I agree that we can't compel a woman to carry an unwanted pregnancy. That's why abortion has always existed and always will. I am not in favor of changing the basic law as much as I am in favor of stopping the abortion mills where they fight the slightest regulation of their profitable venture, stopping the insane practice of late term abortion, contraception and education and support for the mother (you may call her a mother-to-be).
Oh, and I also favor letting people be against abortion. If you own a company and don't want to cover abortions for your employees, that should be your right.