Table 3. Analyses of significance differences (p< 0,05) between maternal age groups (A=≤34 years old; B= 35 to 37 years old; C=38 to 40 years old and D=≥40 years old) and prior infertility history ((IVFF = In Vitro Fertilization Failure; AB = abortion)
Group	More than 1 IVFF and 1 AB	1 IVFF only	1 AB only	More than 2 IVFF	More than 2 AB	No failures
A x B	0.960	0.991	0.050	0.675	0.169	0.575
A x C	0.550	0.119	0.030	0.394	0.013	0.001
A x D	0.041	0.108	0.002	0.011	<0.001	<0.001
B x C	0.960	0.991	0.050	0.675	0.169	0.575
B x D	0.005	0.053	0.267	0.002	0.018	<0.001
C x D	0.057	0.934	0.236	0.030	0.239	0.052
Total	102	76	62	95	59	204