The effect of abnormal placentation on maternal serum fetal fraction of cell-free DNA.

Journal of perinatal medicine(2023)

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摘要
The maternal serum fraction of cell-free fetal DNA measured before 20 weeks of gestation is not predictive of PAS with or without concurrent PP or the depth of trophoblastic invasion.
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关键词
abnormal placentation,cell-free fetal DNA,fetal fraction,placenta accreta spectrum,placenta previa
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