Next, a comprehensive analysis using bivariate correlation and multivariate regression was used to predict the combined effect of different fertility-related clinical parameters (including BMI, peak E2, basal FSH, total FSH dose/day, basal LH, infertility duration, and the total number of IVF cycles) on FF Gal-9 levels within the same model. Here, PLOD1 is linked to Infertility.