1. Dept of Obstetrics and Gynecology, Hôpital Félix Guyon, rue des Topazes, 97400 Saint-Denis, Reunion Island, France. Ph : 0262 90 55 22.
2. Sonographer, Moufia's Street, 97400 Saint-Denis. Reunion Island. France.
3. Pediatric surgeon, Felix Guyon's Hospital , Gynecology department, 97400 Saint-Denis. Reunion Island. France.

A 35-year-old woman G2, P1, was referred at 34 weeks of gestation. An ultrasound was performed and a persistent right umbilical vein was observed [vascular structure medial to gall bladder].