Women have a limited period of fertility because they have a finite number of eggs in their ovaries, which start to decline in number and quality as they age. This process is called ovarian aging. Once a woman exhausts her supply of eggs, she enters menopause and can no longer conceive.
On the other hand, men continuously produce sperm throughout their lifetime, starting from puberty. Sperm production is not tied to a finite number, and the process of creating new sperm cells is ongoing. While sperm quality may decline with age, men do not experience a sudden loss of fertility like women do during menopause.
It is important to note that while men have a longer period of potential fertility, they can still experience age-related declines in fertility, such as decreased sperm quality and increased risks of genetic abnormalities in their offspring. Moreover, there are individual variations in fertility for both men and women.
why womens period of ferility is limited but that of mans is not limited
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