Table 1.
Maternal characteristics in retrospective study
| < 37 years | ≥ 37 years | |
|---|---|---|
| No. of patient | 49 | 56 |
| Maternal age (years) | 33.1 | 39 |
| Body mass index (kg/m2) | 20.3 | 20.6 |
| Number of previous OPU | 0.16 | 0.29 |
| Stimulation protocol | ||
| Agonist | 31 | 30 |
| Antagonist | 18 | 26 |
| Current smoker | 0 | 0 |
| Ex-smoker | 3 | 2 |
| Cause of infertility | ||
| Tubal | 8 | 7 |
| PCO | 2 | 4 |
| Endometriosis | 9 | 9 |
| Male | 11 | 12 |
| Amount of FSH dose (IU) | ||
| FSH | 1091 | 1304 |
| HMG | 880 | 928 |
| Number of ova | ||
| Retrieved | 18 | 15 |
| Mature | 16 | 13 |
| Fertilized | 13 | 10 |
| Fertilization rate | 81.3 | 76.9 |
| Number of | ||
| cIVF | 20 | 24 |
| ICSI | 29 | 32 |
| Proportion of ICSI | 59 | 57 |