...a gun or knife in their hand or laying next to them. That, or there's a group of people stomping on me on the ground. This was when I went to get my permit in PA.

There being a clear and present danger to one's life should be a requirement for any shooting classified as self-defense.

Also, the duty to retreat laws are really fucked-up in some states. This is something that *should* factor in as well, but doesn't because of these laws. Was she not physically able to escape from her pregnant attacker?