Chromosomal analysis is a laboratory technique used to examine the chromosomes of an individual, offering insights into chromosome numbers, structures, and arrangements to diagnose and comprehend genetic diseases. This retrospective study provides a comprehensive understanding of the distribution by indications in a large cohort of 14,242 patients and the frequency of chromosomal abnormalities in different clinical populations.

中文翻译：

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产后队列染色体异常的评估：一项针对 14,242 名患者的单中心研究

染色体分析是一种用于检查个体染色体的实验室技术，可深入了解染色体数量、结构和排列，以诊断和理解遗传疾病。这项回顾性研究全面了解了 14,242 名患者的大队列适应症分布以及不同临床人群中染色体异常的频率。