[Psychological repercussion of hereditary diseases and of their detection (author's transl)]

In an investigation concerning the psychological aspects of prenatal diagnosis, the repercussions of hereditary disease as well as their detection were studied. Analysis of the contents of interviews with the 30 involved couples pointed out the prevalence of imaginary elaborations regarding heredity and its affections and allowed us to examine the function of the secret, which was always present, regardless of the hereditary disease and its means of transmission.