Using a logistic regression model, in young infertility patients under age 38 years, odds of clinical pregnancy, however did differ significantly between patients with single low FMR1 alleles and those with only norm and/or high alleles (OR 2.244; 95%CI 1.168, 4.312; P = 0.015; Figure 3B). This evidence concerns the gene FMR1 and Infertility.