Table 2 Comparison of pregnancy outcomes between the two groups before and after PSM
Outcome | Before PSM | After PSM | ||||
|---|---|---|---|---|---|---|
GnRH-a (n = 310) | AC-FET (n = 4193) | P-value | GnRH-a (n = 309) | AC-FET (n = 1207) | P-value | |
Biochemical pregnancy rate | 242/310 (78.1) | 3190 (76.1) | 0.428 | 241/309 (78.0) | 924/1207 (76.6) | 0.592 |
Clinical pregnancy rate | 224/310 (72.3) | 2857 (68.1) | 0.132 | 223/309 (72.2) | 837/1207 (69.3) | 0.334 |
Miscarriage rate | 26/224 (11.6) | 495/2857 (17.3) | 0.028 | 25/223 (11.2) | 143/837 (17.1) | 0.033 |
Early miscarriage | 16/224 (7.1) | 360/2857 (12.6) | 0.016 | 15/223 (6.7) | 108/837 (12.9) | 0.01 |
Late miscarriage | 10/224 (4.5) | 135/2857 (4.7) | 0.859 | 10/223 (4.5) | 35/837 (4.2) | 0.842 |
Ectopic pregnancy rate | 4/224 (1.8) | 38 (1.3) | 0.543 | 4/223 (1.8) | 8/837 (1.0) | 0.293 |
Live birth rate | 195/310 (62.9) | 2321 (55.4) | 0.01 | 195/309 (63.1) | 685/1207 (56.8) | 0.043 |