| |
Nonobstructive Azo
|
Obstructive Azo Injected Sperm |
| Parameter |
Injected L Spd |
Injected Sperm |
|
| Number of patients |
18 |
191 |
300 |
| Number of cycles |
22 |
274 |
448 |
| Age of man (mean + SD) |
41.8 ± 6.7 |
39.5 ± 6.4 |
40.0 ± 7.0 |
| Age of woman (mean + SD) |
34.3 ± 3.8 |
32.1 ± 5.1 |
32.2 ± 5.4 |
| Duration of infertility (mean + SD) |
12.5 ± 4.9 |
9.3 ± 5.4 |
10.0 ± 5.1 |
| Number of injected oocytes |
184 |
2060 |
3833 |
| Number of 2PN oocytes |
61 |
974 |
2086 |
| Fertilization rate |
33.15% |
47.28%* |
54.42%* |
| Number of cycles with failed fertilization (%) |
3 (13%) |
21 (7.6%) |
8 (1.8%)* |
| Number of transferred embryos |
52 |
768 |
1528 |
| Chemical pregnancy (%) |
6 (27.2%) |
79 (28.8%) |
173 (38.6%) |
| Clinical pregnancy (%) |
3 (13.6%) |
66 (24.1%)* |
154 (34.4%)* |
|
| *Significant difference when compared to late spermatid injection group. |
| All 3 pregnancies reached full term and resulted in the delivery of 3
normal boys. |
