Table 3.
Distribution of fertilization outcome as a function of serum estradiol:oocyte ratio (EOR), recorded from IVF retrievals (n = 9109), 2001–2012
| Fertilization outcome | |||
|---|---|---|---|
| EOR | IVF | ICSI | No 2pn |
| <250 | 51.6 | 68.4 | 6.7 |
| 250–500 | 58.2 | 70.5 | 1.3 |
| 500–750 | 59.9 | 71.0 | 1.4 |
| 750–1000 | 61.5 | 69.4 | 2.1 |
| 1000–1250 | 61.8 | 70.4 | 3.2 |
| 1250–1500 | 57.9 | 67.7 | 5.0 |
| 1500–1750 | 59.6 | 69.5 | 6.3 |
| 1750–2000 | 62.3 | 72.7 | 8.7 |
| >2000 | 54.4 | 67.7 | 15.2 |
| p | <0.001 | <0.001 | <0.001 |
IVF conventional insemination, ICSI intracytoplasmic sperm injection, No 2pn fertilization failure