| Table 1. Demographic and treatment characteristics. Data expressed as mean ± DP | |||
| Double lumen needle (n=105) |
Single lumen needle (n=103) |
||
|---|---|---|---|
| Age | 39.07±3.88 | 38.11±3.43 | NS |
| Weight | 61.73±17.53 | 65.96±15.44 | NS |
| AMH | 0.63±0.59 | 0.94±0.97 | NS |
| Total Gonadotropins | 1678.28±798.52 | 2080.45±852.36 | 0.0008 |
| Stimulus duration | 9.57±1.87 | 10.29±2.82 | NS |
| Estradiol day hCG | 788.94±670.82 | 940.16±694.69 | NS |
| Progesterone day hCG | 617.29±319.76 | 561.18±486.78 | NS |
| Aspirated oocytes | 3.00±2.11 | 3.69±2.20 | 0.02 |
| M2 aspirated oocytes | 2.20±1.64 | 2.99±1.88 | 0.02 |
| Oocyte / follicle ratio | 0.93 | 0.98 | NS |
| Ratio of MII oocytes/ follicles | 0.68 | 0.79 | NS |
| Capture failure rate | 16% (17/105) | 9.8% (10/103) | NS |
| Fol 15-17mm day hCG | 1.40±0.72 | 1.74±0.91 | NS |
| Fol ≥18mm day hCG | 1.84±0.95 | 2.07±1.09 | NS |