Endometriosis could be a common female reproductive system issue that according to the American Society for reproductive medicine affects 24 to 500th of ladies who experience sterility. These ladies develop tissues outside of the womb on other reproductive organs within the abdominal cavity that appears and acts like endometrial tissue.
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This misplaced endometrial tissue grows and sheds in response to the hormonal changes of the cycle resulting in internal bleeding and also the tissue attaching to other organs that share the abdominal cavity with the womb.

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