Embryo development | GnRH antagonist | GnRH agonist | Pvalue |
---|---|---|---|
presence of early cleavage (%) | 39.6 (108/273) | 32.8 (139/424) | 0.07 |
number of blastomers on day 2 | 4.28 (± 1.39) | 4.03 (± 1.34) | < 0.01 |
top quality embryos on day 2 (%) | 23.9 (84/351) | 26.8 (128/477) | 0.34 |
presence of multinucleated blastomers (%) | 13.7 (49/357) | 13.0 (62/477) | 0.76 |
amount of fragmentation on day 2 (%) | 15.2 (± 10.2) | 17.3 (± 12.0) | < 0.01 |