Table 2. Comparison of implantation success after embryo transfer and the number of positive and negative tests for IgG STI antibodies.
Antibody and method test Unsuccessful implantation Successful implantation p-value
(Fisher’s exact)
Antibody Positive Antibody Negative Antibody Positive Antibody Negative
Anti- Treponema pallidum (IIFT) 6 44 2 34 0.459
Anti- Mycoplasma hominis (IIFT) 24 26 14 22 0.510
Anti- Ureaplasma urealyticum (IIFT) 31 19 13 23 0.028
Anti- Chlamydia trachomatis (ELISA)1 0 47 3 28 0.059
HSV-1 (ELISA)1,2 41 4 27 2 1.000
HSV-2 (ELISA)1,3 9 36 10 20 0.279

1 8 samples did not have sufficient volume to perform this test and were excluded from this analysis.
2 4 borderline results were excluded.
3 3 borderline results were excluded.