Slower sperm 'more fertile'

Monday 11 July 1994 23:02 BST

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The realisation that the most active sperm are not necessarily the most fertile has produced an advance in fertilty treatment - and a baby daughter for a couple, Tony and Anne McIntyre, who believed they would never be parents.

Dr Simon Fishel and Stephen Green from Nottingham University's reproduction unit have devised a 'real time' computer programme for identifying the sperm most capable of fertilising an egg.

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Slower sperm 'more fertile'

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