Dept. of Obstetrics and Gynecology, Hôpitaux Iris Sud, site Ixelles, 63 rue J. Paquot, 1050 Brussel, Belgium Ph/Fax: 32.2.641.46.57.

These are twin fetuses with TRAP syndrome. The examination was 24 weeks, one amorph fetus

and the other one with heart abnormalities, including

• right ventricle hypoplasia,

• transposition of the great arteries ,

• tricuspid atresia and

• single umbilical artery