A team of researchers has determined that an enzyme in sperm is necessary for sperm movement. Mice bred to lack this enzyme produce sperm that cannot swim toward egg cells to fertilize them. A team of ...
(Embargoed) CHAPEL HILL -- A study led by scientists at the University of North Carolina at Chapel Hill has determined that a novel enzyme in sperm is essential for sperm motility and male fertility.
The search for a male contraceptive (search) has taken an unexpected twist. Researchers may have found a way to prevent sperm from swimming forward, which could lead to a new form of birth control ...
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