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Men’s sperm quality decreases after 35, says research

The Research Also Found That The X Chromosome Carrier Sperms Also Seem To Be On A Rise, Which Means That The Older Dads Have More Chances Of Fathering A Girl.

By : Bindiya Bhatt | Updated on: 27 Jul 2013, 05:16:46 PM

Los Angeles:

Women are not the only ones who have to worry about their reproductive clock, new research has showed that the quality of men's sperm starts deteriorating after the age of 35.

The research also found that the X chromosome carrier sperms also seem to be on a rise, which means that the older dads have more chances of fathering a girl.

Bronte Stone at Reproductive Technology Laboratories in Los Angeles and his team tested sperm quality in samples from 5081 men in the age group of 16 and 72.

The resulting study found that there was deterioration in quality of sperm and quantity after the age 35, New Scientist reported.

The study also found that the ratio of Y to X-bearing sperm went down once men hit 55, though there is no clarity in why this phenomena happens.

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First Published : 27 Jul 2013, 04:34:00 PM