Table 4 Polar body alignment related to the maternal age
Clinical pregnancies | Ongoing pregnancies/deliveries | |||||||
|---|---|---|---|---|---|---|---|---|
|  | ≤32 | 33-37 | 38-41 | O.R. (C.I. 95%) | ≤32 | 33-37 | 38-41 | O.R. (C.I. 95%) |
α | 118 (49.4) | 247 (52.2) | 165 (46.6) | n.s | 91 (50.3) | 213 (52.5) | 111 (46.2) | n.s |
β | 82 (34.3) | 147 (31.1) | 134 (37.9) | 0.740 (0.554-0.989)° | 62 (34.2) | 123 (30.3) | 94 (39.2) | 0.675 (0.483-0.943)° |
γ | 39 (16.3) | 79 (16.7) | 55 (15.5) | n.s | 28 (15.5) | 70 (17.2) | 35 (14.6) | n.s. |
All zygotes | 239 | 473 | 354 | Â | 181 | 406 | 240 | Â |