Endometriosis is an estrogen-dependent condition that affects approximately 10% of women of reproductive age, and may lead to chronic pelvic pain, infertility, or both. It is estimated that endometriosis is present in 24–50% of women with infertility, and in over 20% of those with chronic pelvic pain. Information gathered by the American Congress of Obstetricians and Gynecologists indicates that in approximately 60% of adult endometriosis patients, symptoms start before the age of 20 years. 

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