Table 2.

Development of BCB- immature oocyte cultured in the maturation medium supplemented with different concentrations of melatonin

Group	No. 0ocyte	MI	Cumulus Expansion	MII
Control	54	32(60.07 ± 11.52)a,b,c	40(73.41 ± 20.36)d,e,f	21(38.25 ± 11.65)g,h,i
DMSO	62	45(73.18 ± 11.67)	31(50.9 ± 12.19)d	17(26.82 ± 11.67)
Melatonin 10-3M	57	34(59.95 ± 19.97)	50(88.28 ± 14.59)	26(45.82 ± 15.77)
Melatonin 10-6M	64	53(82.17 ± 7.50)a	22(35.20 ± 11.97)e	11(17.82 ± 7.5)g
Melatonin 10-9M	52	43(83.47 ± 11.16)b	21(40.1 ± 14.3)f	9 (16.52 ± 11.17)h
Melatonin 10-12M	62	54(87.32 ± 12.28 )c	32(51.81 ± 18.73)	8(12.68 ± 12.28)i

Within the same column, values with same letters were significantly different (p <0.05).