Table 2 Cycle characteristics of FET
From: Live birth rate and neonatal outcomes following interventional embolization of hydrosalpinx
Characteristics | Embolization group (n = 1268) | Obstruction group (n = 2083) | P |
|---|---|---|---|
FET endometrial preparation | Â | Â | 0.509 |
 Natural cycle | 463 (36.51) | 777 (37.30) |  |
 Artificial cycle | 459 (36.20) | 718 (34.47) |  |
 LE stimulation cycle | 346 (27.29) | 598 (28.71) |  |
Number of embryos transferred | Â | Â | 0.559 |
 1 | 218 (11.19) | 367 (17.62) |  |
 2 | 1043 (82.26) | 1698 (81.52) |  |
 3 | 7 (0.55) | 18 (0.86) |  |
Embryo developmental stage at transfer | Â | Â | 0.000 |
 Cleavage stage (day 3) | 1151 (90.78) | 1725 (82.29) |  |
 Blastocyst (day 5/6) | 117 (9.22) | 358 (17.71) |  |
 Endometrium thickness on the day of transfer (mm) | 11.10 ± 2.37 | 11.05 ± 2.58 | 0.096 |
 Post-thaw embryo survival rate | 2340/2342 (99.91) | 3837/3838 (99.97) | 0.392 |