Can male elder childbearing cause fertility decline?

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Relationship between male age and fertility decline

The elder male childbearing has become a trend in contemporary society. However, some studies show that the growth of men's age may affect their fertility. Next, we will discuss the relationship between the aging fertility of men and the decline of fertility from four aspects.

Changes in reproductive hormone levels

The level of reproductive hormone in men will change with age. Studies have found that the levels of key sex hormones such as testosterone and testosterone gradually decline with age. The decrease of this hormone level may lead to the decrease of spermatogenesis, thus reducing male fertility.

In addition, studies have shown that the sperm quality of older men will also be affected. Sperm quality mainly includes the number, shape and motility of sperm. With the increase of age, the decrease of sperm number, abnormal morphology and decreased mobility become more common, and these factors will directly affect male fertility.

Therefore, changes in reproductive hormone levels and sperm quality problems are one of the important reasons for the decline of male fertility in the elderly.

Increased risk of gene mutation

There is also the problem of increased risk of gene mutation in the elderly male fertility. Research has found that male germ cells may mutate during the process of division and proliferation, and children born to older men are at relatively high risk of some genetic diseases.

Specifically, children with genetic diseases such as autism, psychosis, and Down syndrome are often born to older fathers. This is because in the long process of proliferation and division of male sperm, the ability of DNA replication and repair is gradually reduced, and the probability of mutation is increased, thus increasing the risk of some genetic diseases.

Sexual function and sexual desire decline

With the growth of age, men's sexual function and desire tend to decline. Long term fatigue, work pressure and lifestyle changes may have adverse effects on male sexual function.

Sexual dysfunction includes erectile dysfunction, ejaculatory dysfunction and hypolibido. These problems may lead to a decline in the frequency and quality of sexual life, thus affecting male fertility.

Psychological pressure and spouse factors

Male elderly childbearing will also face the influence of psychological pressure and spouse factors. With the growth of age, men's desire and anxiety for fertility may increase, and this anxiety and pressure will have a negative impact on sexual function and fertility.

In addition, the age, health status and fertility of the spouse are also important factors that affect the elderly childbearing of men. If the fertility of the spouse has problems, it will further reduce the success rate of male elderly childbearing.

summary

Older men may have lower fertility. The change of reproductive hormone level, the increased risk of gene mutation, the decline of sexual function and libido, psychological pressure and spouse factors are all reasons for this phenomenon. Therefore, men should pay attention to the above issues when considering elder childbearing, and consult doctors in time to understand their fertility and risks, so as to make wise decisions.