这个词是什么意思？
The analysis of cell-free fetal DNA or the DNA from fetal cells that are biopsied from a pregnant woman’s blood, to screen for genetically-determined traits and genetic abnormalities.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000081182 · MeSH 2026。
Courtesy of the U.S. National Library of Medicine. Annual snapshot; later updates may not be reflected. NLM does not endorse this service.