It takes one man, one woman, 400 eggs, 400 trillion sperm and 500 million years of evolution to result in a newborn baby. Follow the ultimate journey each one of us takes from the moment of our conception to the moment of our birth. While women nurture each of their relatively few eggs throughout their lifetimes, it takes men just 72 hours to make sperm. That's quite a difference in investment. Yet both parties must be involved to create a human life. And there's no such thing as "a little bit pregnant." Join one young couple as they embark on this exciting journey and see how even within the first few hours of pregnancy – when cells begin to double – their child-to-be is on view from the inside out.
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