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Table 2 Summary of chromosomal copy number analysis of CVSs

From: Chromosomal copy number analysis on chorionic villus samples from early spontaneous miscarriages by high throughput genetic technology

Method

Maternal age

Chromosomal abnormality

Euploidy

Total

Aneuploidy

Dup/Del

Polyploidya

Total

Array CGH

30.8 ± 4.3

115(44.9 %)

7(2.7 %)

9(3.5 %)

131(51.2 %)

125(48.8 %)

256

NGS

31.1 ± 4.8

73(40.6 %)

16b(8.9 %)

5c(2.8 %)

94(52.2 %)

86(47.8 %)

180

Total

30.9 ± 4.5

188(43.1 %)

23(5.3 %)

14(3.2 %)

225(51.6 %)

211(48.4 %)

436

  1. aarray CGH and NGS could identify some polyploidy such as 69 XXY and 69 XYY, but could not find 69 XXX, which was no sex chromosomal segregation. btwo of them combined with aneuploidy;cone of them combined with segmental duplication and tetrasomy
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Molecular Cytogenetics

ISSN: 1755-8166