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Relationships between antral follicle counts (AFC) and the total number, viability, and diameter of granulosa cells of oocyte-cumulus-granulosa complexes (OCGCs). a–c Different letters indicate significant differences between different culture periods in the same group (P < 0.05). * An asterisk indicates a significant difference between the low and high AFC groups on the same day (P < 0.05). Numbers in parentheses indicate the number of OCGCs. Error bars indicate SEM.
