[Desdemona]

I think in such cases abortion is justifiable as self defense.

Self-defense of what? The baby is the one that dies. The woman, already a victim, faces countless other complications. How is this self-defense?

[MrLeRoy]

Self-defense of what?

The mother's bodily integrity; if I were to attempt to do to Jane Doe what pregnancy and childbirth do to a woman, she would be legally justified in killing me to prevent it.