Aim and Background of the study: Subfertility is an intricate health problem which is rising dramatically. Patient’s demographic factors along with pelvic pathology significantly important for uprising trend. The aim of this study was to evaluate the demographic and clinical characteristics of patients with infertility specially identifying the ovulatory disturbance, tubal factors, pelvic adhesion and endometriosis by Laparoscopy. Methods: This retrospective study was conducted in infertility clinic of BIRDEM hospital, Dhaka, Bangladesh from May, 2007 to October 2007. The sample size was 100.Result: In this study, among 100 patients 68% had primary and 32% had secondary infertility. 55.9% were within 20 to 30 years age group and 44.1% above 30 years age in primary subfertility. 21.9% were within 20 to 30 years age group and 78.1% above 30 years age group in case secondary subfertility. 58% patients were house wife. 42% of patients were service holder they were teacher and other professional personnel. In this study majority (77%) of patients are from upper-middle class and middle class family. Out of all patients of primary infertility 58.8% had regular, 44.2% had irregular cycle 30% had scanty, 20% had menorrhagia and 29.4% had dysmenorrhea. Within secondary infertility group 87.5% had regular, 12.5% had irregular cycle 25% had scanty, 21.4% had menorrhagia and 75% had dysmenorrhea. In laparoscopy majority (55.0%) had normal ovary, 20.0% had cystic change with thick capsule in right ovary and 22% had in left ovary, 7.0% had endometriosis, 8.0% had adhesion, 10.0% had simple cyst in right ovary and 8% had in left ovary and rest could not be visualized. 79.4%right & 77.9% left fallopian tube patent in primary subfertility cases and 56.3% right & 59.4% left tube normal in secondary subfertility cases. Both fallopian tube patent in 62%, unilateral block 21% and bilateral block in 17% cases. In this study peritoneum was normal in 78% cases, 8% cases there was endometriosis and 14% cases there was adhesion of fallopian tube with the ovary, adhesion of uterus with intestine and also with bladder. In this study, Pouch of Douglas was normal in 77% cases, 7% had endometriotic deposits 16% had adhesion and obliteration of Pouch of Douglas. In this study 74% of patient had normal size of uterus, 3% had uterus smaller than normal size and 23% had bulky uterus. 83% patient had freely mobile uterus and rest had restricted mobility. Conclusion: From analyzing the findings, we recommend that awareness developing program about the factors affecting infertility should be taken. Laparoscopy is more convenient, conclusive & more precise for diagnosing the cause of subfertility. Early diagnosis and treatment should be encouraged among couple.