Article
The assessment of combined karyotype analysis and chromosomal microarray in pregnant women of advanced maternal age: a multicenter study
1 Jul 2019
Abstract excerpt
Background: Retrospectively analyzed the results of prenatal diagnosis and hoped to provide scientific clinical guidance of prenatal screening and diagnosis for the women in advanced maternal age (AMA). Methods: In total, 4,224 women of AMA who accepted prenatal diagnosis by amniocentesis (AC) from two prenatal diagnosis centers were recruited for this study. After genetic counseling and informed consent, 3,475...
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