To disquise the act of murder the pro-choice movement pushed the use of the term fetus. It is interesting that dictionary.com defines fetus as:"The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal. In humans, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo."Hmmmmmmm!
In abortion, it's not just a mass of material that is done away with (/eliminated/killed), but a person!