means of spontaneous abortion. To Haring, it seems "shocking" that rhythm, recently endorsed again the Church, should in application produce a vast number of zygotes (fertilized eggs not yet implanted in the wall of the womb) lacking the vitality for survival.
Interruption of the life process between fertilization and implanta- tion, he says, lacks the "gravity or malice" that attends abortion of an individualized embryo. But Haring concludes that the new medical evidence (already...