Table 1.

Percentages of proliferating cell nuclear antigen (PCNA)-positive granulosa cells (GCs) within the primordial and developing follicles in ovaries that were grown in vivo, transplanted, or cultured for 6 days

Treatment		Percentage of PCNA-positive GCs within primordial follicles	Percentage of PCNA-positive GCs within developing follicles
In vivo		9.92 ± 1.34 a	78.67 ± 5.82 a
Transplanted		9.14 ± 2.19 a	73.60 ± 7.03 a
Cultured	α-MEM	28.82 ± 1.99 b	42.55 ± 2.37 b
	D/F12	29.69 ± 1.85 b	44.61 ± 2.38 b

Data are presented as the means ± SEM; n = 23 per group

Values with different letters denote significant differences among the four groups (P < 0.05)