Placental-Fetal circulation Fetus umbilical A,carries O,/nutrient depleted blood to cap of chorion, exchange with maternal blood of the intervillous space >umbilical V Mother spiral a> intervillous space> uterine VPlacental-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