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What happens at conception?

At conception, also known as fertilization, a male sperm unites with a female ovum (egg). The single-celled human organism formed by the fusion of sperm and egg is known as a zygote.


Condic, Maureen. “When Does Human Life Begin? A Scientific Perspective.” The Westchester Institute, October 2008. https://bdfund.org/wp-content/uploads/2016/05/wi_whitepaper_life_print.pdf.

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