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Comparison of outcome of fresh IVF–embryo transfer cycles among the three groups with oligozoospermia and azoospermia.
| Group 1 | Group 2 | Group 3 | P | |
|---|---|---|---|---|
| Implantation rate | 29.69% (582/1960) | 29.09% (32/110) | 32.84% (89/271) | 0.56 |
| Clinical pregnancy rate | 45.83% (440/960) | 47.27% (26/55) | 54.14% (72/133) | 0.20 |
| Early miscarriage rate | 7.50% (33/440) | 7.69% (2/26) | 9.72% (7/72) | 0.75* |
| Ongoing pregnancy rate | 41.04% (394/960) | 43.64% (24/55) | 48.87% (65/133) | 0.22 |
*Fisher's exact test.
