Prenatal diagnosis of tetrasomy 21

Abstract
Amniocentesis and prenatal diagnosis were done for late maternal age and an abnormality consistent with Tetrasomy 21 (47,XX,+t(21;21)) was found in every cell examined of the initial amniotic fluid. Clinical examination revealed a fetus with many of the signs of Down Syndrome and pathological examination revealed gross abnormalities of the internal structures. Follow‐up tissues showed mosaic Tetrasomy 21.

This publication has 5 references indexed in Scilit: