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First‐trimester ultrasonic diagnosis of twin reversed arterial perfusion sequence
Author(s) -
Shalev E.,
Zalel Y.,
BenAmi M.,
Welner E.
Publication year - 1992
Publication title -
prenatal diagnosis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.956
H-Index - 97
eISSN - 1097-0223
pISSN - 0197-3851
DOI - 10.1002/pd.1970120311
Subject(s) - gestation , umbilical cord , medicine , anastomosis , perfusion , arterial perfusion , obstetrics , pregnancy , cardiology , surgery , anatomy , biology , genetics
Twin reversed arterial perfusion (TRAP) syndrome sequence is a rare specific anomaly of twin gestation with fused placentae and umbilical anastomosis. This syndrome occurs once in very 35 000–48 000 births and has been described in the second trimester (23‐29 weeks of gestation). We report on early sonographic diagnosis (10 and 12 weeks' gestation) of two cases of TRAP sequence, together with their umbilical cord Doppler studies.