Table 3 Pregnancy outcomes from fresh/frozen-thawed embryo transfers in two groups
Characteristics | MPA + HMG Group-FET | Ultra-long Group-ET | Ultra-long Group-FET | P |
|---|---|---|---|---|
Patients (n) | 129 | 100 | 33 | |
Patients of ET (n) | 0 | 100 | ||
Patients of FET | 113 | 48 | ||
FET cycles (n) | 157 | 68 | ||
Embryo before thawed | 286 | / | 115 | |
Viable embryo after thawed | 286 | / | 115 | |
Transferred embryos per cycle (n) | 1.9 ± 0.4 | 1.8 ± 0.4 | 1.8 ± 0.5 | 0.236 |
Endometrial thickness (mm) | 11.3 ± 1.6 | 11.7 ± 2.9 | 11.5 ± 2.3 | 0.351 |
Clinical pregnancy rate per (%) | 50.31 (79/157) | 55(55/100) | 48.53 (33/68) | 0.665 |
Implantation rate (%) | 34.27 (98/286) | 33.85 (65/192) | 39.67 (48/121) | 0.517 |
Ectopic pregnancy rate (%) | 1.27 (1/79) | 1.81 (1/55) | 0 (0/33) | 0.747 |
Multiple pregnancy rate (%) | 30.38 (24/79) | 21.81 (12/55) | 36.36(12/33) | 0.312 |
Miscarriage rate (%) | 11.39 (9/79) | 9.09 (5/55) | 21.21 (7/33) | 0.229 |
Ongoing pregnant rate per transfer (%) | 43.95 (69/157) | 49 (49/100) | 38.23 (26/68) | 0.384 |
Cumulative pregnancy rate per woman (%) | 61.01 (69/113) | 50 (50/100) | 56.25 (28/48) | 0.479 |
Gestation, w | 37.87 ± 2.07 | 38.33 ± 2.10 | 37.00 ± 2.22 | 0.879 |
Birth length, cm | 49.35 ± 1.35 | 49.56 ± 1.23 | 49.16 ± 1.22 | 0.568 |
Birth weight, g | 3030.6 ± 642.8* | 3087.5 ± 564.01# | 2633.9 ± 634.9*# | 0.007 |
Child’s sex-male, no. (%) | 55.43 (51/92) | 52.72 (39/55) | 51.72 (15/29) | 0.484 |
Live birth, no. (%) | 43.95 (69/157) | 49 (49/100) | 39.71 (27/68) | 0.48 |
Complications during pregnancy and postpartum (%) | 8.85 (10/113) | 5 (5/100) | 8.51 (4/47) | 0.532 |
Birth malformation rate (%) | 0.98 (1/102) | 0 (0/100) | 0 (0/43) | 0.602 |