Background: Polycystic Ovary Syndrome (PCOS) is the most common endocrine disorder, affecting 5-10% of women of reproductive age. Major complications of PCOS include infertility, obesity, endometrial hyperplasia, endometrial cancer, insulin resistance, hyperandrogenism, and cardiovascular issues. This study aims to investigate the polymorphism of the Insulin Resistin (RETN) gene at positions − 420 C\G and 299 A\G in relation to the susceptibility to PCOS. Methods: This case-control study included...