| ICSI in patients with severe azoospermia or oligoasthenoteratozoospermia | |
---|---|---|
 | Fresh oocytes | Frozen-thawed oocytes |
Patients | 13 | 13 |
ICSI cycles | 22 | 14 |
Injected oocytes | 171 | 111 |
Fertilized oocytes | 85 (50.0%) | 51 (67.1%) |
Non-cleaved or triploid zygotes | 10 (11.8%)* | 17 (33.3%)* |
Embryos | 78 | 34 |
Blastocysts | 20 | 8 |
Blastocyst rate | 25.6% | 23.5% |
Embryo transfers (ET) | 18 | 7 |
Pregnancies | 3 | 2 |
Clinical pregnancy rate per ET | 17.0% | 28.6% |
Clinical pregnancy rate per cycle | 13.6% | 14.2% |
Birth of a child | 3 | 2 |