Table 4. Results obtained after the transfer according to patient BMI
  Normal Overweight Obese P
Patients transferred 190 52 24  
Number of embryos transferred 318 91 40  
Mean of embryos transferred 1.7±0.5 1.8±0.4 1.7±0.6 0.55
Good quality embryos transferred 1.4±0.6 1.5±0.6 1.3±0.6 0.62
Clinical pregnancy rates 43% 40% 38% 0.53
Abortion rates  13% 19% 11% 0.77
Ongoing pregnancy rates 37% 33% 33% 0.042
Implantation rate 33% 26%  23% 0.11
Kruskal-Wallis test or Chi-square test, statistically significant if P<0.05.