There were significant differences in age, BMI, duration of infertility, treatments (IVF, ICSI, and RICISI), basal FSH, basal LH, basal T, total Gn, total antral follicle counts, transferring what day of embryos, top‐level embryos, and live‐birth rates among the four groups (P < .05). This evidence concerns the gene PLOD1 and Infertility.