PLOD1 and Infertility: To further investigate the effect of female and male BMI on the pregnancy outcomes, we excluded the effects of female’s and male’s age, infertility cause, basal FSH level, basal LH level, basal AMH level, AFC, No. of oocytes retrieved, No. of MII oocytes, and DFI% by logistic regression analysis; the results are shown in Tables 4A, B.