Some 15 per cent of couples have trouble conceiving,about half of them because the man has a problem. SPL
From The Independent:
Infertile couples may be spared years of fruitless treatment with the discovery that the human egg can read the father's genetic key and screen out failures.
Thousands of infertile couples could be spared the pain, anguish and expense of fruitless IVF treatments, thanks to the discovery of a lock-and-key mechanism between sperm and egg cells.
The research could explain why so many couples with no apparent reproductive problems are unable to conceive. Although more than 40,000 in vitro fertilisation cycles are prescribed in Britain each year, only 10,000 births result.
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