Gynaecology & Obstetrics General 2c14bec0 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 High-Yield Explanation Umbilical vein closure occurs shortly after closure of umbilical arteries and forms the ligamentum teres.