[Steinert's disease and pregnancy].

The authors present two cases of Steinert's disease associated with successive pregnancies. The interest resides in the possibility of prenatal diagnosis in the light of their characteristic facies, the repeated hydramnios, and the Xray of the uterine contents showing a child with an open mouth. Furthermore, one of the cases was the only in the liteature with that of Sciarra where uterine contractility was recorded during laour.