Additional Source #2 – Peer-Reviewed Article
“[T]he life of a new human being commences at a scientifically well-defined event; the fusion of the plasma membranes of sperm and egg… it is a matter of objective, scientific observation”2
2Condic, M.L., When Does Human Life Begin? The Scientific Evidence and Terminology Revisited, 8 U. St. Thomas J.L. & Pub. Pol’y, 2013, p. 44-81, http://www.embryodefense.org/MaureenCondicSET.pdf.