Table 2. Results of superovulation in aged mice treated with Cetrorelix.

Treatment	No. of females	No. of oviductswith ovulated oocyes (%)	Mean ± SEM no. of oocytes
			Total	Normal (%)	Abnormal (%)
Control	9	16 / 18 (88.9)	6.6 ± 1.0	4.7 ± 1.2 (71.2)	2 ± 0 (28.8)
Cetrorelix 3 times	10	18 / 20 (90.0)	13.2 ± 2.9*	9.8 ± 1.3* (74.2)	3 ± 2 (25.8)
Cetrorelix 7 times	10	20 / 20 (100)	11.4 ± 3.3*	8.7 ± 1.9* (76.3)	3 ± 1 (23.7)

*P<0.05 compared with control. Sampling of each experimental group was repeated 3 times.