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Table 2 Clinical significance of fetal SCAs (by year) in the entire cohort

From: The correlation between maternal age and fetal sex chromosome aneuploidies: a 8-year single institution experience in China

Year No. of patients AMA % of AMA (%) Mean age ± SD Sex chromosome aneuploidies
Total 45,X 47,XXY 47,XXX 47,XYY 48,XXXY 48,XXXX 48,XXYY 69,XXX
2011 3314 1518 45.81 32.74 ± 5.359 9 2 1 2 2 1    1
2012 2364 895 37.86 32.03 ± 5.430 10 3 3 1 2     1
2013 1840 697 37.88 32.20 ± 5.476 16 4 7 2 2   1   
2014 2520 1026 40.71 32.47 ± 5.282 13 4 2 4 3     
2015 2097 955 45.54 32.85 ± 5.347 14 1 6 3 4     
2016 2309 1294 56.04 34.26 ± 5.143 32 3 13 8 7    1  
2017 2154 1240 57.57 34.49 ± 5.456 22 1 10 5 4   1   1
2018 3811 1704 44.71 33.54 ± 5.530 70 8 28 19 15     
Total 20,409 9329 45.71 33.09 ± 5.447 186 26 70 44 39 1 2 1 3