Table 2.

Relative risk of clinical pregnancy in the three groups undergoing blastocyst transfer

Clinical pregnancy rate	Relative risk	95 % confidence interval	P value
Group II vs. group I	1.05	0.77–1.44	0.76
Group I vs. group III	1.91	1.03–3.57	0.009
Group II vs. group III	2.01	1.02–3.97	0.02

P < 0.05 = significant