A Group (n = 498) | B Group (n = 536) | P value | |
---|---|---|---|
Basal sperm concentration (×1 0[5]/ml) | 34.9 (±24.65) | 36.01 (±25.81) | 0.67 |
Retrieved MII oocytes (number) | 5.44 (±2.67) | 5.6 (±3.29) | 0.63 |
Injected MII oocytes (number) | 5.21 (±2.46) | 5.45 (±3.03) | 0.42 |
Timing procedures (minutes) | 61 (±12) | 12 (±6) | 0,0001 |
Fertilization rate | 80.00% (±18.35) | 78.87% (±18.87) | 0.56 |
Cleavage rate | 92.10% (±13.69) | 98.22% (±8.58) | 0.0003 |
Blastocyst rate | 41.2% (±20.69) | 48.1% (±18.79) | 0.0010 |
Implantation rate | 20.25% (±30.90) | 24.57% (±32.52) | 0.19 |
Clinical pregnancy/cycle (%) | 164/498 (32.8%) | 209/536 (38.9%) | 0.22 |
Ongoing pregnancy/cycle (%) | 131/498 (26.4%) | 172/536 (32.1%) | 0.23 |