Table 3 Pregnancy outcomes of FET cycles comparing endometrial patterns on cleavage-stage embryo transfer day
|  | A (n = 9) | B (n = 41) | B-C (n = 30) | C (n = 58) | χ2 | P value |
|---|---|---|---|---|---|---|
Implantation, number of gestation sac/total transferred embryos (%) | 5/16 (31.25%) | 37/78 (47.44%) | 17/52 (32.69%) | 29/101 (28.71%) | 7.177 | 0.066 |
Biochemical pregnancy rate, n (%) | 3 (33.33%) | 27 (65.85%) | 13 (43.33%) | 28 (48.28%) | 5.701 | 0.127 |
Clinical pregnancy, n (%) | 3 (33.33%) | 26 (63.41%) | 13 (43.33%) | 25 (43.1%) | 5.477 | 0.140 |
Early miscarriage rate, n (%) | 0 (0.00%) | 4 (15.38%) | 0 (0.00%) | 4 (16.00%) | 4.700 | 0.195 |
Live birth rate, n (%) | 3 (33.33%) | 20 (48.78%) | 11 (36.67%) | 21 (36.21%) | 1.972 | 0.578 |