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早孕期非整倍体筛查的历史和实践回顾。

A historical and practical review of first trimester aneuploidy screening.

机构信息

Maternal Fetal Medicine, McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University, School of Medicine, Baltimore, MD, USA.

Maternal Fetal Medicine, McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University, School of Medicine, Baltimore, MD, USA.

出版信息

Semin Fetal Neonatal Med. 2014 Jun;19(3):183-7. doi: 10.1016/j.siny.2013.11.013. Epub 2013 Dec 14.

Abstract

There have been tremendous advancements over the past three decades in prenatal screening for aneuploidy and we have changed our practice from screening by maternal age alone to 'combined' first trimester screening and circulating cell-free fetal DNA. We currently use the nuchal translucency and biochemical markers of free β-hCG and PAPP-A to determine the risk of fetal aneuploidy. The primary goal is to identify higher risk women for fetal aneuploidy early in pregnancy and give them the option to pursue invasive testing in a timely manner if desired.

摘要

在过去的三十年中,产前非整倍体筛查取得了巨大的进展,我们已经改变了仅通过母亲年龄进行筛查的做法,转而采用“联合”的早孕期筛查和循环游离胎儿 DNA 筛查。我们目前使用颈项透明层和游离β-hCG 和 PAPP-A 的生化标志物来确定胎儿非整倍体的风险。主要目标是在妊娠早期识别出具有更高胎儿非整倍体风险的女性,如果需要,及时为她们提供进行有创性检测的选择。

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A historical and practical review of first trimester aneuploidy screening.早孕期非整倍体筛查的历史和实践回顾。
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