Down syndrome screening: About 33 cases

Background: Trisomy 21 is responsible of different anatomical malformations and more or less severe mental retardation. Prenatal screening has grown in recent years. Tunisian studies on prenatal screening for Trisomy 21 are few. There are yet no screening strategies well codified at prenatal care units. The aim of our study was to Specify the various strategies for prenatal screening for Trisomy 21 and evaluate the results. Methods: Our retrospective study was conducted at the service "A" of the center of Maternity and of Neonatology of Tunis during a period of 10 years. We included all cases of Trisomy 21 diagn…