PRL and Infertility: Multivariable analysis identified age (OR 1.189, 95%CI 1.122–1.263, p<0.001), prolactin (OR 1.040, 95%CI 1.004–1.077, p=0.029), and triglyceride-glucose index (OR 2.473, 95%CI 1.404–4.177, p<0.001) as independent predictors of infertility.