Table 2.

Comparison of cycles and pregnancy outcomes between groups

	Artificial cycle (n = 59)	Simulated cycle by letrozole +HMG (n = 57)	P-value
Endometrial thickness at ET day (mm)	9.92 ± 0.19	9.45 ± 0.16	0.065
Cycle cancellation rate (%)	1 (1.6)	3 (5.2)	0.29
Implantation rate (%)	20%	22%	0.67
Chemical pregnancy rate (%)	25 (42.3)	28 (49.1)	0.46
Clinical pregnancy rate (%)	22 (37.2)	24 (42.1)	0.59
Ectopic pregnancy	1 (1.6)	2 (3.5)	0.53
Heterotopic pregnancy	0 (0)	1 (1.75)	0.30
Miscarriage rate (%)	2 (3.3)	2 (3.5)	0.97
Ongoing pregnancy rate (%)	19 (32.2)	20 (35)	0.74

HMG Human menopausal gonadotropin. P-value≤0.05 was considered statistically significant