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The Biological Case

Medical Testimonies 

As surprising as this may be to some people, there is no debate within the medical community as to when life begins. Life begins at conception. Therefore, every "successful" abortion ends the life of a living human being.

We're not asking you to take our word for it. Consider the testimony below from an assortment of leading embryology textbooks.

Modern teaching texts on embryology / prenatal development


"Human development begins at fertilization, the process during which a male gamete or sperm        (spermatozoon development) unites with a female gamete or oocyte (ovum) to form a single cell called a  zygote. This highly specialized, totipotent cell marked the beginning of each of us as a unique individual."
"A zygote is the beginning of a new human being (i.e., an embryo)."

Keith L. Moore, The Developing Human: Clinically Oriented Embryology, 7th edition. Philadelphia, PA:    Saunders,   2003. pp.16, 2.



"Development begins with fertilization, the process by which the male gamete, the sperm, and the female  gamete, the oocyte, unite to give rise to a zygote."

T.W. Sadler, Langman's Medical Embryology, 10th edition. Philadelphia, PA: Lippincott Williams & Wilkins,  
2006. p.11.





"[The zygote], formed by the union of an oocyte and a sperm, is the beginning of a new human being."

Keith L. Moore, Before We Are Born: Essentials of Embryology, 7th edition. Philadelphia, PA: Saunders,  
2008. p.2.