The study targets to evaluate the role of estimation of plasma expression levels of gene of microRNAs 203 and 210 in helping to diagnose and grade endometriosis. The study included women with unexplained infertility and clinical picture suggestive of presence of endometriosis were divided randomly into two groups: Control and study groups. All patients underwent exploratory laparotomy for diagnosis and grading of endometriosis if present. Patients of study group gave blood samples for estimation of plasma expression levels of microRNA 203 and 210 using qRT-PCR procedure.

Inclusion Criteria:

• 30-45 years old
• Unexplained infertility

Exclusion Criteria:

• Presence of other causes of infertility,
• age out of the predetermined range,
• the presence of immune disorders,
• maintenance on immunosuppressive drugs