Gynaecology & Obstetrics Ligamentum teres is formed after: A Obliteration of the umbilical vein B Obliteration of the ductus venous C Obliteration of the ductus arteriosus D Obliteration of the hypogastric artery 💡 Explanation Ligamentum teres is formed after: ✓ Correct Answer: A. Obliteration of the umbilical vein