While it is common knowledge that women have to worry about their reproductive clock after going past a certain age, a new study suggests that even men have to deal with the phenomenon as the quality of their sperm starts to deteriorate once they are past 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 ...
via Medindia Health News
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Lake forest health and fitness http://healthandfitness1blog.blogspot.com/2013/07/even-men-have-to-worry-about-their.html
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