Table 2.

Fraction of samples containing the specific gene of the total number of samples analyzed (n), when analyzing the cumulus cells of single cumulus oocyte complexes

	18S	Has2	Sdc4	Alcam	Vcan	Grem1	Ptgs1	Ptgs2
GV	100% (12)	0% (6)	67% (6)	0% (6)	50% (6)	50% (6)	0% (6)	0% (12)
Activated GV	100% (18)	100% (6)	100% (6)	100% (6)	100% (6)	100% (6)	0% (6)	72% (18)
GVBD	100% (36)	100% (12)	67% (12)	100% (12)	100% (12)	100% (12)	8% (36)	100% (36)
Optimal PB	100% (36)	67% (12)	100% (12)	100% (12)	100% (12)	100% (12)	67% (36)	100% (36)
Aged PB	100% (18)	0% (6)	100% (6)	67% (6)	100% (6)	100% (6)	44% (18)	100% (18)