September 16, 2026 · Prenatal diagnosis · DOI: 10.1002/pd.70249

Cell-Free DNA Screening After Euploid Embryo Transfer: Concordance With Amniocentesis and Residual Aneuploidy Risk

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The authors aimed to evaluate the concordance between cell-free DNA screening and amniocentesis in detecting chromosomal abnormalities after single euploid embryo transfer following pre-implantation genetic testing for aneuploidy (PGT-A). Their findings indicated that while cell-free DNA screening demonstrated a high negative predictive value, its positive predictive value was limited, suggesting that invasive testing remains necessary in certain high-risk scenarios. The study also estimated a very low residual aneuploidy risk of 0.1% after euploid embryo transfer.

Yao Lu, Yaqiong He, Yi Huang, Yichao Niu, Shuo Zhang, Yueping Zhang, Ting Zhang, Yun Sun

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