Can anyone shed any documentable, dispassionate information about these claims that the wife of Rick Santorum had the equivalent of an abortion in 1996 purportedly to save her life?

OUR ABORTION WAS DIFFERENT: WHEN THE ANTI-CHOICE...

Santorum: Our Abortion Was Different | Our Silver Blog

Did Rick Santorum

I have checked for information about this on many sites through the following (thanks to pooh on another post) and cannot find anything viable:

Top 10 sites to debunk urban legends | TechRepublic