by Steven Ertelt
When it comes to the question of when human life begins, the science is crystal clear: human life begins at conception or fertilization. Americans United for Life, in a legal briefing it has prepared for the Supreme Court, has put together a collection of citations from scientific literature that proves the point.
The citations are reproduced below and they include information from the latest scientific textbooks, papers and medical agencies.
A New, Distinct Human Organism Comes into Being at Fertilization
It is undisputed that a new, distinct human organism comes into existence during the process of fertilization.[1] Scientific literature states the following:
• “The fusion of sperm and egg membranes initiates the life of a sexually reproducing organism.”[2]
• “The life cycle of mammals begins when a sperm enters an egg.”[3]
• “Fertilization is the process by which male and female haploid gametes (sperm and egg) unite to produce a genetically distinct individual.”[4]
• “The oviduct or Fallopian tube is the anatomical region where every new life begins in mammalian species. After a long journey, the spermatozoa meet the oocyte in the specific site of the oviduct named ampulla, and fertilization takes place.”[5]
• “Fertilization – the fusion of gametes to produce a new organism – is the culmination of a multitude of intricately regulated cellular processes.”[6]
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