TABLE 2.

Comparison of ovary stimulation and embryo transfer between GnRH antagonist group and GnRH agonist group.

	GnRH antagonist group (n = 69)	GnRH agonist group (n = 192)	P-value
Days of ovarian stimulation per cycle	9.1 ± 1.9	11.2 ± 2.1	0.002
Total gonadotropin dose (IU) per cycle	2690 ± 1368	1802 ± 1583	0.001
Total number of oocytes per cycle	7.0 ± 4.3	9.5 ± 5.2	0.001
Number of MII oocytes per cycle	6.2 ± 3.9	8.5 ± 4.6	0.001
Total number of embryos available for transfer per cycle	3.6 ± 2.3	3.9 ± 2.2	0.19
Mean number of embryos transferred	1.8 ± 0.4	1.9 ± 0.3	0.012
One embryo transferred	15 (21.7%)	19 (9.9%)
Two embryos transferred	54 (78.3%)	173 (90.1%)
Cleavage-stage embryo transfer	66 (95.7%)	190 (99%)	0.22