Table 1 Clinical outcomes analyzed according to embryo and pronuclear morphologies
| Â | HQE ET | PQE ET | P value |
|---|---|---|---|
(n., %) | (n., %) | ||
Total cycles | 450, 59.6 | 305, 40.4 | Â |
Maternal age (years) | 36.83±3.88 | 36.48±4.04 | 0.234 |
Clinical pregnancy rate | 44^/450, 9.8 | 11/305, 3.6 | 0.001 |
Singleton | 42/44, 95.5* | 11/11, 100.0 | 0.471 |
Implantation rate | 44/450, 9.8 | 11/305, 3.6 | 0.001 |
Abortion rate | 9/44, 20.5 | 2/11, 18.2 | 0.866 |
Live-birth rate | 34/450, 7.6 | 9/305, 3.0 | 0.007 |
Gestational age at birth (weeks) | 37.8±4.2 | 39.6±1.3 | 0.213 |
Birth weight (gr) | 2979.3±798.3 | 3214.6±391.0 | 0.399 |
| Â | Z1 ET | Z2 ET | Â |
(n., %) | (n., %) | ||
Total cycles | 139 | 616 | Â |
Maternal age (years) | 36.22±3.71 | 36.79±3.99 | 0.123 |
Excellent quality embryos | 105/139, 75.5 | 345/616, 56.0 | <0.001 |
Clinical pregnancy rate | 16^/139, 12.2 | 39/616, 6.3 | 0.017 |
Singleton | 16/16, 100.0 | 37/39, 94.9* | 0.356 |
Implantation rate | 16/139, 11.5 | 39/616, 6.3 | 0.034 |
Abortion rate | 2/16, 12.5 | 9/39, 23.1 | 0.712 |
Live-birth rate | 13/139, 9.4 | 30/616, 4.9 | 0.039 |
Gestational age at birth (weeks) | 37.3±5.1 | 38.5±3.1 | 0.351 |
Birth weight (gr) | 2959.6±849.7 | 3058.4±692.2 | 0.691 |