During old age in normal males, testosterone production decreases, and sperm production slows.
Testosterone may be defined as an erotic steroid hormone in males which is synthesized in the testes and mediates the male fertility.
As the synthesis of testosterone in the testes decreases, the production of sperm slows. This is because another hormone namely LH function in response to the pituitary gland for the synthesis of testosterone.
Therefore, during old age in normal males, testosterone production decreases, and sperm production slows.
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