Although not inside the uterus, this tissue responds to the hormonal changes that control menstruation. Like the uterine lining, these fragments build tissue each month, then break down and bleed. Unlike blood from the uterine lining, blood from implants has no way to leave the body. Instead the blood from the implants is absorbed by surrounding tissue which in turn causes pain.
Endometriosis is a condition where fragments of the lining of the uterus (endometrial tissue) become embedded, or implanted, elsewhere in the body.
Last update:May 3, 2016 at 0:53:54 UTC
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