Male Fertility

New Study Shows Fertility Decline with Increasing Age in Males

There is substantial evidence to support the progressive decline in fertility in women with advancing age; however, this association has not been well established in men. Now, a recent study reports that semen volume, sperm motility, and the rate of fertilization diminish with age in men. Men too have a clock. The findings of the study are published in the recent issue of the journal, Reproductive BioMedicine Online.

Whether you are a male or female, we all age. Therefore, it should not be a surprise that male's fertility also declines with time. Interestingly though, male fertility declines more gradually than that of female. As an example, senior senator Strom Thurman fathered a child at age 81. Male retain their fertility well into old age.

It is true that sperm production declines significantly with age. Having said that, 30% decline in most men would not be sufficient to render them infertile. If the sperm can fertilize eggs, we usually don't see poor embryo quality due to reduced sperm quality. Lastly, although male infertility declines more gradually, one third of all infertility cases are attributed to male factor.

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