Table 1. Characteristics by groups of the cases and controls
  CASES CONTROLS
Infertility factor linked Low
ovarian
reserve		 Low
ovarian
reserve
BMI [Mean ± SD) 23.76±4.2 26.93±3.8*
Oocytes retrieved
[Mean ± SD)		 8.2±6.3 6.6± 4.6*
Oocytes M2
[Mean ± SD)		 6.2±3.5 4.7±3.3*
Normally fertilized
[Mean ± SD)		 4.9±2.7 3.6±2.6*
Embryos transferred
[Mean ± SD) 		2.0±0.5 2.0±0.6
Values are expressed as % (n) or mean ± standard error. p<0.01 compared with Cases.