Variation of the maximum velocity along the umbilical vein supports the Reynolds pulsometer model

A review of feto-placental vasculature flow modelling

“…The two umbilical arteries (UAs) carry the oxygen poor, and carbon dioxide rich fetal blood to the placenta. The umbilical vein returns the oxygen enriched blood from the placenta to the fetus [ 11 ]. Commonly the two umbilical arteries coil around the umbilical vein [ [12] , [13] , [14] ].…”