“…We excluded 46 papers in which the RVT was diagnosed postnatally. Thus, 21 articles describing 22 cases of prenatally diagnosed RVT were included in the present study [2,3,6,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]. Of these pregnancies, 19 were singleton and 3 were twin pregnancies.…”