Fetofetal Transfusion

**Definition:** Passage of blood from one fetus to another via an arteriovenous communication or other shunt, in a monozygotic twin pregnancy. It results in anemia in one twin and polycythemia in the other. (Lee et al., Wintrobe's Clinical Hematology, 9th ed, p737-8)

**Tree numbers:** - C15.378.050.363.344 - C16.614.053.344

**Synonyms:** - Twin Transfusion Syndrome - Twin Twin Transfusion Syndrome - Fetal Transfusion Syndrome - Fetofetal Transfusion Syndrome - Twin-to-Twin Transfusion Syndrome - Twin-to-Twin Transfusion - Cross-Transfusion, Intrauterine - Twin Transfusion - Intrauterine Cross-Transfusion