Variants

 Hyrtl anastomosis
 false knots
 Hoboken nodes

Types

 umbilical cord compression
 umbilical cord cysts
 umbilical cord edema
 umbilical cord false knots
 umbilical cord knots
 umbilical cord strictures
 umbilical cord rupture
 umbilical cord hematoma
 umbilical cord prolapse
 umbilical cord torsion (umbilical cord stricture)

 anomalies of umbilical cord insertion

• umbilical cord velamentous insertion

 umbilical cord anomalies of lenght

• short umbilical cord
• long umbilical cord

 anomalies of umbilical vessels

• single umbilicat artery
• umbilical cord varices
• umbilical cord aneurysms
• thrombosis of the umbilical vessels

 tumors of the umbilical cord