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Resulting from the actual life expectancy, women tend to pass a significant part of life exposed to the prejudicial effects of estrogen deficiency that comes from ovarian failure(1,2,3,4).
The alterations induced by estrogen deficiency in the urinary tract find justification in the embryological origin, common in female genitalia and the urinary tract, that develop from the urogenital sinus. Another strong indication of the action of sexual steroids is the existence of hormonal receptors, and many authors described a presence of estradiol and progesterone receptors in the urethra as well as in the vesical trigone and in the bladder(5,6,7,8,9).