Gynaecology & Obstetrics Oxygenated blood from the placenta reaches the fetal heart in utero via: A Umbilical arteries B Umbilical vein C Ductus venosus D Ductus arteriosus 💡 Explanation Oxygenated blood from the placenta reaches the fetal heart in utero via: ✓ Correct Answer: C. Ductus venosus