Placental-Fetal Circulation Fetus: umbilical a> carries O2/nutrient depleted blood to cap of chorion, exchange with maternal blood of the intervillous space >umbilical V Mother: spiral A→ intervillous space→ uterine∨Placental-Fetal Circulation ▪ Fetus: umbilical A→ carries O2 /nutrient depleted blood to cap. of chorion , exchange with maternal blood of the intervillous space→umbilical V ▪ Mother: spiral A→ intervillous space→ uterine V