Background: Endometriosis should be suspected in women with sub-infertility, dysmenorrhea, dyspareunia or chronic pelvic pain. However, these symptoms can also be associated with other diseases. Endometriosis may be asymptomatic even in some women with more advanced disease. The objective of this study was to prevalence, severity, stages, conception rate and associated problems in patients with endometriosisMethods: Present study was retrospective and prospective study from January 2007 to September 2012 which included 200 infertile patients who underwent laparoscopy and were diagnosed with endometriosis in the Department of Obstetrics and Gynecology at Owaisi Hospital and Research Centre, Hyderabad, Telangana, India.Results: Majority of the patients belonged to the age group of 18-25 years i.e. 45.5%. The most common symptom with which the women presented to the hospital was abnormal uterine bleeding seen in 26% of the cases. Out of total cases, 64% had primary infertility and remaining i.e. 36% had secondary infertility. Ovarian endometrioma was seen in 22% of the cases. Majority of the patients had dysmenorrheal in 62% of the cases. Majority were found out to be present in the stage one or minimal endometriosis i.e. they constituted 78 women which amounted at 39% of the total cases. As the severity of the endometriosis increased, the symptomatic relief rate after laparoscopy decreased. As the severity of the endometriosis increased, the conception rate following laparoscopic laser fulguration decreased. As the severity of the endometriosis increased, the requirement for ART increased.Conclusions: Laparoscopy is considered to be better than laparotomy since there is less morbidity and less adhesions and tissue trauma.