Sunday 2 October 2016

When exactly does life start in human development?


The view that life begins at fertilization reached acceptance from mainstream sources at one point.
In 1967, New York City school officials launched a large sex education program. The fifth grade text book stated "Human life begins when the sperm cells of the father and the egg cells of the mother unite. This union is referred to as fertilization. For fertilization to take place and a baby to begin growing, the sperm cell must come in direct contact with the egg cell."
Similarly, a text book used in Evanston, Illinois stated: "Life begins when a sperm cell and an ovum (egg cell) unite."

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