Table 3. Fertilization rate and embryonic development according to patients' BMI
	Normal	Overweight	Obese	P
Injected oocytes	1245	342	129
Total fertilization rate	73%	74%	77%	0.64
Normal fertilization rate	72%	73%	69%	0.74
total embryos obtained	67%	63%	72%	0.93
good quality embryos obtained	63%	56%	69%	0.07
Chi-square test - statistically significant if P<0.05.