Table 2 Comparison of cycle outcome parameters after ICSI with epididymal or testicular sperm from males with obstructive (OA) and non-obstructive (NOA) azoospermia
Sperm Type | Epididymal | Testicular Obstructive OA | Testicular Non Obstructive NOA | P value |
|---|---|---|---|---|
Number of retrieval cycles | 77 | 59 | 20 | - |
Number of transfers | 75 | 58 | 19 | - |
Male partner age | 39.0 ± 8.6 | 39.3 ± 7.5 | 36.0 ± 4.8 | NS |
Maternal age | 31.9 ± 4.0 | 32.9 ± 3.5 | 32.3 ± 4.0 | NS |
Average number of oocytes | 14.0 ± 5.8 | 14.2 ± 6.2 | 13.5 ± 7.3 | NS |
Average oocytes injected | 11.2 ± 5.5 | 10.8 ± 6.0 | 9.8 ± 4.0 | NS |
Average oocytes fertilized | 7.2 ± 4.4 | 7.3 ± 4.0 | 4.9 ± 4.0 | 0.06 |
Fertilization rate | 65% | 66% | 50%a | < 0.001 |
Cleavage rate | 97% | 99% | 97% | NS |
Average embryos transferred | 2.2 ± 0.6 | 2.5 ± 0.7b | 2.2 ± 0.8 | < 0.05 |
Average cells on Day 3 | 7.5 ± 1.7 | 7.6 ± 2.1 | 6.5 ± 2.3 | NS |
Clinical pregnancy rate | 61% | 59% | 37% | NS |
Implantation rate | 39% | 34% | 20% | NS |
Deliveries (n) | 46 | 33 | 7 | - |
Singleton (n) | 32 | 22 | 6 | - |
Twins (n) | 12 | 10 | 1 | - |
Triplets (n) | 2 | 1 | 0 | - |
Boys (n) | 31 | 23 | 5 | - |
Girls (n) | 31 | 22 | 3 | - |
Miscarriages (n) | 0 | 1 | 0 | - |