Table 2. Presentation of the results found in the systematic review.
Reference	Pregnancy rate (%)			Implantation rate (%)
	P	P+E	P-value	P	P+E	P-value
Fatemi et al. 2006	32.6*	28.9*	0.633	37.8	42.4	0.548
Ceyhan et al. 2008	61.9	56.5	0.72	†	†	†
Kwon et al. 2013	37.0	48.1	‡	15.8	26.0	0.035
Ismail Madkour et al. 2016	39.09	43.63	0.3	19.25	23.44	0.2
*Ongoing pregnancy per embryo transfer; †Data not provided by the study; ‡Not Significant.