Older guys' sperm really is worse, study says

December 3, 2014 3:34 PM

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Older guys' sperm really is worse, study says

Every sperm is sacred, but older ones need even more TLC than previously thought. Although scientists have long theorized that sperm quality drops as men age, a University of Otago review of 90 studies from more than 30 countries confirms there are "consistent age-related declines" in the quantity of semen, the health of sperm, and sperm's ability to perform, Science Daily reports.

The results, published in Ageing Research Reviews, could help fertility researchers dealing with couples delaying pregnancy until later years and anticipating problems with resulting offspring.

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