By that standard, most people conceived in the present don't even survive the womb
eg: https://daily.jstor.org/abortion-remedies-medieval-catholic-...
and that's Saint Hildegard of Bingen, Abbess and founder of two monasteries handing out the Ye Olde abortion pills.
It's explained in the article that you linked. Some women did take the medicine to induce an abortion, but they did not do that with Hildegard's aid or assent.
There is a helpful discussion around this here: https://www.reddit.com/r/Catholicism/comments/q88veb/is_this...