A cross sectional comparative study was doneon ran.cvaginal sonographic (TVS) findings to diagnose infertility in 110 patients attended theta t.patient department of Obstetrics and Gynaecology at Bangabandhu Sheikh Mt jib Medical University (BSMM1.1). The study was done with an object ro asses the role of traavvaginal ultra sonography as a sensitive detector for the diagnosis of poly cystic ovarian disease. endonteriomas. leontyomas.retroversion of itterus.pelvic inflammatory disease. adnegal mass or pelvic tumour. congenital abnormalities of paramesonephric (niillarion)ducts and also its association with renal abnormalities. The age of the study patients ranged from 19-40 yrs. They were grouped into three categories. Amongst them 58 cases was represented with primary infertility which is 47.27 % Mike total cases. In this study 37 patients was diagnosed by TVS as having PCOD amongst them II patients presented with oligomenorrhoea. Comparison between clinical correlation and TVS findings were done in which 15 patients clinically seemed to have with endometrioma with cyst formation which correlates 10 cases of TVS findings. TVS findings were normal in 21 patients. But they had come only with primary or secondary infertility. This study included only those patients Otiose husband's semen analysis is within normal range and no other male factor. These are the unexplained infertility.