DENND1A and polycystic ovary syndrome: This meta-analysis willinvestigate if there are associations between increased risk of PCOS andrs6165 polymorphism in follicle stimulating hormone receptor (FSHR) gene andrs2479106 polymorphism in differentially expressed in DifferentiallyExpressed in Normal and Neoplastic Development Isoform 1A (DENND1A)gene.