When D&C 59 was revealed, the wording "nor kill, nor do anything like unto it" may have seemed wrong. How does one do something that isn't murder as we know it, but is "like unto it"?
D&C 59:6 Thou shalt love thy neighbor as thyself. Thou shalt not steal; neither commit adultery, nor kill, nor do anything like unto it.
I also think it is interesting that Brigham Young taught that life begins when the mother feels the baby moving within her.
So long before abortion was even an issue we had a prophet explain at what point life begins.
But for those corrupt individuals whose conscience's no longer recognize natural law of their own accord, and who would argue for legalizing abortion previous to the beginning of life, we were also given a revelation commanding us not to kill "nor do anything like unto it".