GNRH1 and Infertility: To further evaluate the influencing factors, logistic regression analysis was performed using the CPR and LBR as dependent variables, and age, GnRH-a doses, infertility duration, infertility (primary or secondary), first or second cycle, number of embryos transferred, number of good-quality embryos, embryos at transfer (day 3, day 5), CA125 level, and other diagnostic categories as independent variables.