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Biology, 18.06.2021 18:10 erinmcdonaldr6860

In humans, an estimated 60 to 80 percent of fertilized eggs self-destruct before becoming babies, which is why the people who kill the most embryos are those like the Duggars who try to maximize their number of pregnancies.

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In humans, an estimated 60 to 80 percent of fertilized eggs self-destruct before becoming babies, wh...
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