During R, Reincke R
Zentralbl Gynakol. 1986;108(12):713-23.
Numerous factors influence the rate of transfer of various substances across the placental barrier between mother and fetus. Placental metabolism is of eminent importance. The metabolic exchange capacity is dependent decisively from placental blood flow. Different methods have been tested measuring uteroplacental blood supply, but for clinical purpose only isotope techniques are suitable.