AZFc (66.67%) was the most frequently deleted region found in our study followed by AZFb (50%) and AZFa (38.88%).The relative frequency of AZFa, b and c region in infertile men in this study is AZFa alone in (11.11%); AZFb alone in (11.11%); AZFc alone in (33.33%); AZFa+c (5.56%), AZFa+b (11.11%), AZFb+c(16.67%) and AZFa+b+c deletions detected in two people (11.11%) (Figure 2). Here, USP9Y is linked to Infertility.