Age Embryos transferred (mean ± SD) Clinical pregnancy Rate Implantantion rate
GROUP 1 32.17 ± 3.87 2.01 ± 0.43 54% (81/150)   33,44% (101/302)
GROUP 2 32.65 ± 3.52 1.92 ± 0.43 60,5%   (23/38) 38,35% (28/73)  
  P=0.46 P=0.24 P=0.15 P=0.52