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Thursday 20th June 2019

Male fertility clue found

21st July 2011

Research from the University of Leicester has found that as many as a quarter of men have a genetic change which makes them less fertile than usual.

The discovery could lead to a new screening test to identify those who will take longer to father a child, experts report in the journal Science Translational Medicine. The change is in a gene that codes for a key protein found on the outside of sperm with sperm lacking in the substance finding it harder to swim to the egg.


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