About 30-50% of women with endometriosis have fertility issues. The major symptom of endometriosis is pain.
The pains can be cyclic, i.e., worsen during and before periods and improve later. It is also possible that some patients with endometriosis do not present with any symptoms at all.
The causes of endometriosis can be listed as:
The exact risk factors of endometriosis have not yet been zeroed in on. However, some of the factors which increase the risk are: