Group A	Group B	P
Numberof cycles of FRET	135	54
Age average	34.73±4.1	34.87±4.33	n.s.
Survival rate	95.20%	99.42%	0.018
Number of Embryos transferred	1.76±0.43	1.63±0.48	0.030
Pregnancy rate	46.67%	62.50%	0.018
Miscarriage rate	19.05 %	20.0%	n.s.
Implantantion rate	33.19%	47.06%	0.005