Ovarian Stimulation Parameters in the Groups with or without Estradiol Pretreatment.
Ovarian Stimulation Parameters in the Groups with or without Estradiol Pretreatment.
| With Estradiol Pretreatment (n=191) | Without Estradiol Pretreatment (n=114) | P Value | |
|---|---|---|---|
| LH levels on stimulation start (IU/L) | 6.7±4.5 | 5.6±3.4 | 0.03 |
| Progesterone levels on stimulation start (nmol/L) | 1.6±1.1 | 1.9±0.9 | 0.003 |
| Estradiol levels on stimulation start (pmol/L) | 390.1±240.6 | 159.1±62.3 | <0.001 |
| Total FSH dose (IU) | 1969.7±777.4 | 1922.4±772.3 | 0.61 |
| LH levels before ovulation triggering (IU/L) | 3.0±2.8 | 2.7±3.2 | 0.45 |
| Progesterone levels before ovulation triggering (nmol/L) | 2.5±2.6 | 2.3±1.2 | 0.42 |
| Estradiol levels before ovulation triggering (pmol/L) | 5651.0±4160.8 | 5530.6±3983.6 | 0.84 |
| Decline in LH levels from stimulation start to that before ovulation triggering (%) | 41.8±52.2 | 42.9±76.5 | 0.88 |
| Estradiol increment per oocyte (pmol/L) | 994.7±1970.2 | 813.2±608.5 | 0.35 |