Table 3 Embryological and clinical outcomes comparison between the second ejaculation IVF and matched-conventional IVF
Variable | Second ejaculation IVF | Matched-conventional IVF | P value |
|---|---|---|---|
2PN fertilization rate | 324/559 (58.0) | 1318/2158 (61.1) | 0.180 |
Total fertilization rate | 434/559 (77.6) | 1659/2158 (76.9) | 0.703 |
Rescue ICSI rate | 3/61 (4.9) | 24/238 (10.1) | 0.316 |
Cleavage rates | 423/434 (97.5) | 1632/1659 (98.4) | 0.208 |
Good-quality embryo rate on day 3 | 165/320 (51.6) | 595/1298 (45.8) | 0.066 |
Blastocyst formation rate | 148/229 (64.6) | 652/936 (69.7) | 0.141 |
Good-quality blastocyst rate | 52/148 (35.1) | 170/652 (26.1) | 0.026 |
Biochemical pregnancy | 17/23 (73.9) | 68/126 (31.0) | 0.168 |
Clinical pregnancy rate | 19/46 (41.3) | 78/252 (52.2) | 0.382 |
Implantation rate | 16/23 (66.7) | 62/126 (49.7) | 0.117 |
Live birth rate | 13/23 (56.5) | 51/126 (40.5) | 0.153 |
Miscarriage rate | 3/23 (13.0) | 8/126 (6.3) | 0.259 |