The results showed that there was a positive correlation between anti-ENO1-P6 and anti-PDIA3 total IgG levels in the TAI-miscarriage group (P = 0.027; rs = 0.368), but not in the TAI-non-miscarriage group (P = 0.317; rs = 0.125). This evidence concerns the gene PDIA3 and Miscarriage.