Table 1 The correlation between nuclear maturation (NM) in GV, MI, and MII oocytes and zona pellucida birefringence intensity (ZP-BF)
Oocyte stage Score | ZP-BF Score | Total | |
|---|---|---|---|
high/positive | low/negative | ||
GV | 48 (82.8%) | 10 (17.2%) | 58 |
MI | 44 (75.9%) | 14 (24.1%) | 58 |
MII | 48 (82.8%) | 10 (17.2%) | 58 |