在单子怀孕中进行第一季度随机查,以检测单细胞妊娠中无细胞胎儿DNA的动脉瘤 - - 一个瑞士单一中心的经验

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Updated: Jun 25, 2026

Semiconductor Sequencing for Preimplantation Genetic Testing for Aneuploidy
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Semiconductor Sequencing for Preimplantation Genetic Testing for Aneuploidy

Published on: August 25, 2019

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Alice Proto1, Fabienne Trottmann1, Sophie Schneider1

  • 1Department of Obstetrics and Gynaecology, University Hospital of Bern, University of Bern, Inselspital, Bern, Switzerland.

Geburtshilfe und Frauenheilkunde
|January 5, 2024
PubMed
概括

瑞士 瑞士 瑞士 瑞士 瑞士 瑞士 瑞士

关键词:
没有细胞的胎儿DNA.第一个三个月的查.非侵入性的产前检测.三位一体症是三位一体症.

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Nondisjunction01:21

Nondisjunction

Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate correctly and move to the opposite poles of the cells. This produces daughter cells with abnormal chromosome numbers.  Nondisjunction is common during anaphase I or anaphase II of meiosis.  Mutations in synaptonemal complex proteins that attach homologous chromosomes increase the chances of nondisjunction in anaphase I of meiosis I. In contrast, mutations in topoisomerases and condensins that hold sister...