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Meta-analysis comparing ART cycles initiated in the luteal versus follicular phase
| Luteal | Follicular | P value | |
|---|---|---|---|
| Age (years) | 30.9 | 31.2 | NS |
| Duration of stimulation (days) | 11.0 | 9.7 | 0.003 |
| Total dose of gonadotropins (IU) | 2820.4 | 2522.1 | <0.001 |
| Peak estradiol (pg/nL) | 1334.9 | 1620.6 | NS |
| Number of oocytes retrieved | 10.6 | 11.9 | NS |
| Number of mature oocytes | 7.6 | 8.4 | 0.007 |
| Fertilization rate | 77.2 % | 68.9 % | 0.008 |
| Number of embryos cryopreserved | 4.7 | 6.2 | NS |
Weighted means
NS not significant
