In view of the increasing number of polycystic ovary syndrome (PCOS) among the Sudanese women, and its sequences, such as infertility. This study was conducted to investigate the biochemical changes occurring in the follicular fluid associated with PCOS, which may help in the diagnosis of this disease. This study was carried in the department of biochemistry, Faculty of Medicine in the National Ribat University, in collaboration with Reproductive Health Care Center (RHCC), Sudan Assisted Reproductive Center (SARC) and Asia Hospital in Omdurman. The study was carried out during the period:...