Table 2.
ART outcomes in the three study subgroups
| Group 1: Advanced maternal age | Group 2: Implantation failure | Group 3: Implantation failure + advanced maternal age | Total | |
|---|---|---|---|---|
| Number of ICSI attempts | 40 | 20 | 18 | 78 |
| Number of oocytes with PB diagnosis | 156 | 101 | 56 | 313 |
| Number of oocytes with an abnormal PB (%) | 55 out of 156 (35.25 %) | 32 out of 101 (31.68 %) | 25 out of 56 (44.64 %) | 112 out of 313 (35.78 %) |
| Number of oocytes injected with a normal PB (%) | 101 out of 156 (64.75 %) | 69 out of 101 (68.32 %) | 31 out of 56 (45.34 %) | 201 out of 313 (64.21 %) |
| Number of oocytes injected with no PB diagnosis | 92 | 55 | 32 | 179 |
| Number of two-pronucleates with a PB diagnosis | 70 out of 101 (69.30 %) | 47 out of 69 (68.11 %) | 28 out of 31 (90.32 %) | 145 out of 201 (72.14 %) |
| Number of embryos derived from oocytes with a PB diagnosis (%) | 68 out of 70 (97.14 %) | 42 out of 47 (89.36 %) | 23 out of 28 (82.14 %) | 133 out of 145 (91.72 %) |
| Number of embryos per transfer | 1.97 | 2.59 | 2.06 | 2.14 |
| Clinical pregnancy rate per transfer (%) | 7 out of 38 (18.42 %) | 4 out of 17 (23.52 %) | 4 out of 16 (25.00 %) | 15 out of 71 (21.12 %) |