Table 2. Mosaicism and chromosomal abnormalities in different age groups
	<35 years	35-37 years	38-40 years	41-42 years	>42 years
Mosaicism* (n=71)	14	10	26	15	6
Chr 18 (n=6)	2 (14.3%)	1 (10%)	1 (3.8%)	1 (6.7%)	1 (16.7%)
Chr 21 (n=8)	1 (7.1%)	0 (0%)	4 (15.4%)	2 (13.3%)	1 (16.7%)
Chr X0 (n=2)	0 (0%)	0 (0%)	2 (7.7%)	0 (0%)	0 (0%)
Chr XXY (n=18)	4 (28.6%)	2 (20%)	11 (42.3%)	1 (6.7%)	0 (0%)
Chr Y0 (n=4)	2 (14.3%)	0 (0%)	0 (0%)	2 (13.3%)	0 (0%)
Chr 14 (n=2)	0 (0%)	1 (10%)	1 (3.8%)	0 (0%)	0 (0%)
Chr 15 (n=5)	1 (7.1%)	1 (10%)	2 (7.7%)	1 (6.7%)	0 (0%)
Chr 16 (n=3)	1 (7.1%)	0 (0%)	0 (0%)	1 (6.7%)	1 (16.7%)
Chr 22 (n=3)	0 (0%)	1 (10%)	0 (0%)	1 (6.7%)	1 (16.7%)
Chr Others (n=20)	3 (21.5%)	4 (40%)	5 (19.3%)	6 (40%)	2 (33.3%)
*Mosaicism with ≥60% aneuploid cells Note: We did not have mosaics for chromosome 13