Oak Brook Fertility Center

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Symptoms/Diagnosis | Management of Infertility | Management of Chronic Pelvic Pain

About Endometriosis

What is Endometriosis?
Endometriosis is a disease affecting women and is characterized by the growth of the uterine lining (endometrium) outside of the uterus. The uterine endometrium during the first half of the menstrual cycle increases in thickness and during the second half, acquires a spongy-like consistency to facilitate embryo implantation. If there is no pregnancy, the uterine endometrium sheds along with the menstrual blood during the menstrual period. The same cyclic changes also occur in the endometrium of endometriosis which causes bleeding into the abdomen or other organs, inflammatory reaction, development of adhesions (scar tissue), or appearance of cysts filled with blood which, over time, acquire a consistency of liquid chocolate (chocolate cysts).