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infertility

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Scientists said this week that they had made the long-sought discovery of how sperm latches onto an egg in the very first spark of reproduction, the outcome of a near decade-long hunt.

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Researchers investigating the cause of male infertility think they’ve spotted a means to male contraception. A group at the University of Edinburgh has identified a gene essential to late-stage sperm production. Developing a drug that turns off that gene or interrupts its functioning could lead to temporary infertility in men without tampering with hormones.

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