Trisomy 18: Frequency, types, and prognosis of congenital heart defects in a Brazilian cohort†

Trisomy 18: Frequency, Types, and Prognosis of Congenital Heart Defects in a Brazilian Cohort Rafael F.M. Rosa, Rosana C.M. Rosa, Marina B. Lorenzen, Ceres A.V. de Oliveira, Carla Graziadio, Paulo R.G. Zen, and Giorgio A. Paskulin* Graduate Program in Pathology, Universidade Federal de Ciencias da Sa ude de Porto Alegre (UFCSPA), RS, Brazil Clinical Genetics, UFCSPA and Complexo Hospitalar Santa Casa de Porto Alegre (CHSCPA), RS, Brazil Clinical Genetics, Hospital Materno Infantil Presidente Vargas (HMIPV), RS, Brazil Department of Clinical Medicine, UFCSPA, RS, Brazil Institute of Education and Research, Hospital Moinhos de Vento, RS, Brazil