Men with higher sperm quality have ancestors with more children, study shows – Telegraph.co.uk

Having a large family could be in the genes, scientists believe, after finding that men with higher sperm quality had ancestors with more children.

Researchers from the University of Utah in the US discovered an intriguing relationship between the quantity of healthy moving sperm and the number of offspring his forebears going back up to nine generations. 

For each additional child in a family, the descendent’s sperm count increased by 1.8 million. 

It suggests that coming from a long line of large families could be an indicator of better sperm, and that problems in conceiving are also inherited, even though that may seem impossible. 

In a paper presented today (MON) at the American Society for…

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