The ovaries and testes have two functions. They produce the reproductive cells (ova and sperm). They also produce the sex hormones that control secondary sex characteristics, such as breasts and facial hair.
With aging, men sometimes experience a slightly decreased level of testosterone.
Women have decreased levels of estradiol and estrogen after menopause.
EFFECT OF CHANGES
Overall, some hormones are decreased, some unchanged and some increased with age. Hormones that are usually decreased include:
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