Table 5 Effects of progressive motility in ICSI
From: Sperm quality and paternal age: effect on blastocyst formation and pregnancy rates
Progressive motility (%) | <32 | >32 | P value |
|---|---|---|---|
Mean maternal age (years ± SD) | 33.02 ± 5.13 | 33.54 ± 4.90 | 0.0601 |
Number of ICSI | 852 | 657 | |
Mean number of injected oocytes ± SD | 8.01 ± 4.48 | 7.42 ± 4.38 | 0.0041 |
Fertilization rate (%) | 64.82 | 67.03 | 0.013 |
Mean number of embryos at day 2 ± SD | 4.97 ± 3.64 | 4.82 ± 3.49 | 0.5315 |
Mean number of embryos at day 3 ± SD | 4.26 ± 3.45 | 4.16 ± 3.32 | 0.6800 |
Mean number of embryos in prolonged culture ± SD | 2.75 ± 3.35 | 2.71 ± 3.26 | 0.8990 |
Mean number of obtained blastocysts ± SD | 1.37 ± 2.09 | 1.28 ± 2.02 | 0.5681 |
Rate of blastocyst formation (%) | 49.76 | 47.47 | 0.1441 |
Mean number of transferred blastocysts ± SD | 0.083 ± 0.297 | 0.067 ± 0.256 | 0.6823 |
Mean number of frozen blastocysts ± SD | 0.548 ± 1.200 | 0.530 ± 1.270 | 0.6363 |
Rate of useful blastocysts (%) | 46.14 | 46.44 | 0.8923 |
Rate of clinical pregnancies (%) | 39.50 | 38.60 | 0.7272 |
Rate of miscarriages (%) | 17.10 | 15.30 | 0.6893 |