Background

The aim of this section of the book is to document the long-term running of a surveillance system within a developing country, Iran, by describing the experience of Tabriz Registry of Congenital Anomalies (TRoCA) followed by a brief description of the Epidemiology and Surveillance of Congenital Anomalies in Iran (ESCAI) and Tabriz Foundation for Public Health Genetics (TFPHG).