["But I have done the genetic tests...". The obligation to identify genetic carriers and prenatal genetic tests for new mutations].

Introduction: Genetic tests are developing quickly. Therefore, genetic screening tests which were carried out before the first pregnancy are not always sufficient for the subsequent pregnancies. Familial dysautonomia (FD) is a disabling autosomal recessive disorder affecting Ashkenazi Jews in which the carrier frequency varies from 1:17 to 1:32.