I think it is less than 1% of all abortions.
I think they need to change the name of the procedure to...something like...saving the life of the mother?
It would be nice, but it's not gonna happen. I had a spontaneous abortion. Signing the form that called my miscarriage a spontaneous abortion was almost as traumatic as signing the one I had to sign earlier, where the mother's life (mine) would have no preference to the child I was losing.