| Table 4. Comparison of cleavage stage embryo quality and rate of blastocyst formation between the endometriosis and control groups | ||||
| Characteristics |
Endometriosis (n=3172) |
Other (n=24480) |
P | |
| Embryo characteristics | High quality embryo on day 3 | 45.36 | 47.29 | 0.037 |
| Rate of blastocyst formation | 51.97 | 52.49 | 0.780 | |
| Chi-square and Student’s t-test. Values expressed as %. | ||||