Studies have reported that the incidence of chromosome abnormalities in neonates is 1.70–7.30/10,000, and the incidence of microdeletions and microduplications is 0.30–6.81/10,000, resulting in an increasing trend and an overall incidence of chromosome abnormalities of 12.09–39.22/10,000 2 .
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Limited ability of increased sequencing depth in detecting cases missed by noninvasive prenatal testing: a comparative analysis of 3 clinical cases.
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