Table 3 Clinical outcome of injection of frozen-thawed donor sperm of normal quality vs. autologous fresh sperm of poor quality into frozen-thawed oocytes
| Â | ICSI of frozen-thawed oocytes in couples with severe azoospermia or oligoasthenoteratozoospermia | |
|---|---|---|
| Â | DONOR SPERM (normal quality) | AUTOLOGOUS EJACULATED OR TESTICULAR SPERM (poor quality) |
Patients | 4 | 9 |
ICSI cycles | 4 | 10 |
Mean female age (years) | 31.2 (range 28 - 38) | 31.1 (range 28 - 37) |
Injected oocytes | 18 | 93 |
Fertilized oocytes | 13 (72.2%)* | 38 (40.9%)* |
Embryos | 11 | 23 |
Blastocysts | 4 | 4 |
Blastocyst rate | 36.4% | 17.4% |
Embryo transfers (ET) | 2 | 5 |
Pregnancies | 1 | 1 |
Clinical pregnancy rate per ET | 50.0% | 20.0% |
Clinical pregnancy rate per thawing cycle | 25.0% | 11.1% |
Birth of a child | 1 | 1 |