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@Vegasgiants
Since you like to read scientific papers, here is some info...
"In this paper, I am going to argue that the proponents’ argument with regard to the implausibility of categorizing fetus as human being is unjustified and wanting. In other words, the way in which the proponents of abortion talk about the idea of personhood is, inadequate and vague, semantically speaking" . Quote is from the Journal of Medical Ethics and History of Medicine, paper "Fetus as Human Being: Where is the Cut-off Point?" by Soroush Dabbagh