Ovarian Stimulation Parameters in the Groups: Age ≥39 and Age <39.
Ovarian Stimulation Parameters in the Groups: Age ≥39 and Age <39.
| Age ≥39 (n=98) | Age <39 (n=207) | P Value | |
|---|---|---|---|
| LH levels on stimulation start (IU/L) | 5.8±3.5 | 6.5±4.4 | 0.13 |
| Progesterone levels on stimulation start (nmol/L) | 1.6±0.9 | 1.8±1.1 | 0.19 |
| Estradiol levels on stimulation start (pmol/L) | 287.3±220.0 | 310.8±225.71 | 0.39 |
| Total FSH dose (IU) | 2192.5±844.1 | 1838.2±713.7 | <0.001 |
| LH levels before ovulation triggering (IU/L) | 3.4±3.1 | 2.6±2.5 | 0.03 |
| Progesterone levels before ovulation triggering (nmol/L) | 2.2±1.4 | 2.5±2.4 | 0.23 |
| Estradiol levels before ovulation triggering (pmol/L) | 4718.4±3585.2 | 6028.0±4251.6 | 0.009 |
| Decline in LH levels from stimulation start to that before ovulation triggering (%) | 28.6±79.2 | 48.8±50.9 | 0.008 |
| Estradiol increment per oocyte (pmol/L) | 1242.0±2680.8 | 782.1±639.4 | 0.02 |