Abstract
Absent or reversed end-diastolic flow (A/REDF) are umbilical artery Doppler (UAD) velocimetry abnormalities associated with increased risk of perinatal demise and neonatal morbidity in pregnancies with fetal growth restriction (FGR). However, the clinical implications of intermittent (iAEDF) versus persistent (pAEDF) absent end-diastolic flow are unclear. This study compared changes in UAD velocimetry and latency to delivery in FGR pregnancies with iAEDF versus pAEDF at diagnosis.
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