Table 3 Parameters of oocyte retrieval and of retrieved oocytes
Oocyte characteristics | GnRH antagonist | GnRH agonist | Pvalue |
|---|---|---|---|
follicles aspirated (mean + SD) | 9.0 (± 4.9) | 11.2 (± 5.0) | < 0.01 |
cycles where no oocytes were found | 1/100 | 4/100 | 0.37 |
retrieved oocytes (mean + SD) | 6.5 (± 4.0) | 8.1 (± 4.3) | < 0.01 |
mature (metaphase II.) oocytes (ICSI only) (%) | 87.2 (340/390) | 88.4 (419/474) | 0.58 |
oocytes with cytoplasmic abnormalities (ICSI only) (%) | 62.1 (208/335) | 49.9 (228/457) | < 0.01 |