OP05.03: Changes in fetal cell‐free DNA fraction between consecutive maternal plasma samples in individual pregnancies | Zendy

Schmid M. | Zendy; Chen K. | Zendy; White K. | Zendy; Wang Y. | Zendy; Doshi J. | Zendy; Kunz L. | Zendy

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OP05.03: Changes in fetal cell‐free DNA fraction between consecutive maternal plasma samples in individual pregnancies

Author(s) -

Schmid M.,

Chen K.,

White K.,

Wang Y.,

Doshi J.,

Kunz L.

Publication year - 2019

Publication title -

ultrasound in obstetrics and gynecology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.202

H-Index - 141

eISSN - 1469-0705

pISSN - 0960-7692

DOI - 10.1002/uog.20690

Subject(s) - fetus , medicine , gestational age , pregnancy , fetal distress , obstetrics , trisomy , cell free fetal dna , aneuploidy , gestation , andrology , gynecology , prenatal diagnosis , biology , genetics , chromosome , gene

The group with FF increase had more days between draws and a lower initial percent fetal fraction compared to the FF decrease group (p<0.01). Median maternal weight and gestational age at first draw were not statistically different between the two groups. Objective: Average fetal fraction (FF) measured at one time point in has been shown to increase with gestational age. We investigate changes in FF in the same patient over consecutive draws.

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