Research Article

Characterization of Microbiota in Endometrial Fluid and Vaginal Secretions in Infertile Women with Repeated Implantation Failure

Table 1

Demographics of infertile patients with the RIF and control groups.

RIF group ()Control group ()

Age (years) ()
Body mass index (kg/m2) ()
Gravidity (median (range))0 (0-4)0 (0-3)
Parity (median (range))0 (0-1)0 (0-1)

Infertility diagnosisa
 Male factor8 (28.6%)6 (33.3%)
 Polycystic ovarian syndrome9 (32.1%)4 (22.2%)
 Endometriosis5 (17.9%)4 (22.2%)
 Tubal factor4 (14.3%)5 (27.8%)
 Unexplained9 (32.1%)3 (16.7 %)
 Diminished ovarian reserve1 (3.6%)0 (0%)

Controlled ovarian stimulation protocolb
 Short GnRH agonist cycle31 (76.1%)
 Long GnRH agonist cycle5 (0.7%)
 Ultralong GnRH agonist cycle1 (0%)
 Flexible GnRH antagonist cycle41 (27.5%)
 Mild stimulation cycle8 (0.7%)
 Natural cycle2 (0%)

Past embryo transfer history ()
 Number of cycles
 Number of embryos transferred
 Number of morphologically good embryos transferred
 Number of assisted hatching use
 Number of hyaluronan-rich medium use

Footnotes: aTotals are not 100 percent due to some patients having more than one diagnosis. bTotals are not 100 percent due to some patients undergoing more than one controlled ovarian stimulation/oocyte-pickup cycle. Abbreviations: RIF: repeated implantation failure; SD: standard deviation; GnRH: gonadotropin-releasing hormone.