Category Archives: zygote

Researchers identify previously unknown mechanism of human fertilization.

IVF, or in vitro fertilization, currently has a 32 percent success rate, and couples for whom the procedure fails face the puzzling, disappointing reality that they can’t have a child of their own. Even when the process works, a high sperm-to-egg ratio is required, the opposite of what occurs in the body. Now, a study from researcher a the University

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