Do Oogenesis And Spermatogenesis Both Continue Throughout The Human Lifespan?

 

Gametogenesis

No.

While spermatogenesis exists throughout their lifetime in men (reduces with ageing), oogenesis lasts only until menopause as a result of hormonal changes which further prevents the continuance of the menstrual cycle.

Oogenesis is a discontinuous process in women. Typically, secondary oocytes are produced before an individual hits puberty. It is the maturation of the ovary that occurs on a monthly basis. The secondary oocyte matures every second month. But, this process declines, as a woman approaches her menopause and finally comes to an end. Hence, ovulation does not happen all through one’s lifetime, as a result, oogenesis does not last.

On the other hand, spermatogonia form the first pool of diploid cells which split by mitosis to produce two similar or identical cells. One of which is used to restore the pool of spermatogonia. This restoration of spermatogonia indicates that males stay fertile all through their adult lives.

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