It was found that the frequency of cumulusexpansion is higher in case of GCOCs than that of COCs.
2
It can be concluded that granulosa cells promote normal cumulusexpansion thus decrease heterogeneity in nuclear and cytoplasmic maturation amongst oocytes.
3
The rate of monospermic fertilization after IVF of normal COCs showing normal cumulusexpansion was higher than that of COCs attached to the dish.