Table 5. Analyses of significance differences between maternal age groups, types of proposed chromosomal errors according infertility history.
Age	Group	More than 1 IVFF and 1 AB (%)	1 IVFF only (%)	1 AB only (%)	More than 2 IVFF (%)	More than 2 AB (%)	No failures (%)	p
≤ 34 years old	Aneuploidy	64.2	68.1	55.4	61.7	53.1	53.4	0.701
	Monosomy	16.7	18.8	33.3	22.8	31.1	12.1	0.143
	Trisomy	16.7	18.8	0.0	16.1	21.2	24.3	0.333
	Multiple	35.6	46.9	27.8	19.3	15.2	19.9	0.070
	Complex	9.2	15.6	27.8	16.8	10.0	25.8	0.603
	Duplication	0.0	0.0	5.6	3.1	3.0	5.2	0.739
	Deletion	13.6	0.0	5.6	11.5	11.4	3.7	0.200
35 to 37 years old	Aneuploidy	63.0	63.0	70.0	58.8	71.1	59.4	0.478
	Monosomy	32.4	27.8	12.2	20.8	22.6	28.0	0.429
	Trisomy	12.5	15.4	12.8	20.0	31.0	16.8	0.487
	Multiple	17.9	32.3	27.6	20.8	20.2	15.7	0.719
	Complex	22.5	24.5	32.2	21.9	18.5	21.9	0.947
	Duplication	4.8	0.0	8.5	3.3	1.8	4.3	0.599
	Deletion	1.0	0.0	1.5	9.2	6.0	0.0	0.220
38 to 40 years old	Aneuploidy	73.0	81.7	72.5	71.1	78.4	73.0	0.495
	Monosomy	22.6	19.2	28.8	12.4	28.3	21.3	0.068
	Trisomy	14.3	15.6	18.3	20.5	29.3	16.9	0.558
	Multiple	32.4	30.4	27.9	35.1	24.3	27.8	0.776
	Complex	19.8	23.2	13.2	21.3	17.2	23.8	0.764
	Duplication	4.6	4.3	6.7	1.3	1.0	4.5	0.684
	Deletion	3.2	3.7	0.8	5.3	0.0	3.1	0.709
≥ 40 years old	Aneuploidy	85.1	80.7	82.1	88.1	89.7	83.3	0.887
	Monosomy	14.9	13.0	13.8	5.6	23.2	12.6	0.168
	Trisomy	7.6	6.5	16.3	13.0	8.6	11.2	0.309
	Multiple	40.0	40.4	50.4	36.1	32.0	29.0	0.259
	Complex	35.2	31.8	17.1	38.2	23.6	42.3	0.100
	Duplication	0.6	3.7	2.5	4.8	2.5	4.0	0.763
	Deletion	0.0	2.2	0.0	2.4	10.1	0.8	0.041