Significance of absent or reverse diastolic flow in the umbilical artery Doppler as the only alteration in the evaluation of fetal well-being in fetuses with trisomy 21
Manoli, J. C. M.
Carvajal, J. C.
Evaluation of fetal well-being is a clinical challenge. The finding of absent or reverse diastolic flow (ADF/RDF) in the umbilical artery Doppler velocimetry is considered a sign of placental insufficiency. However, it is possible to find ADF/RDF without