What are the features of ovogenesis in comparison with spermatogenesis?

Gametogenesis is the process by which male and female sex cells (gametes) are formed in the male and female gonads (testes and ovaries).

The principle of oogenesis: the use of oocytes formed before birth. Constant decrease in oocytes starting from the embryonic period. Exhaustion during menopause.

The principle of spermatogenesis: continuous production. Although sperm cells are constantly born from puberty to old age, production is subject to extreme fluctuations in both quantity and quality.

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