Endometriosis is a chronic gynecologic disease that affects approximately 10% of women in the reproductive age group . It is characterized by the presence of endometrial tissue outside the uterus, causing pelvic pain and subfertility. It is estimated that around 40% of infertile women have the diagnosis of endometriosis . Infertility secondary to endometriosis is thought to be multifactorial. Women with endometriosis often require in vitro fertilization (IVF). One medical intervention that has been shown to improve IVF outcomes in women with endometriosis is hormonal suppression with gonadotropic releasing hormone agonist (GnRH-a) for a period of 3 to 6 months .