[Isolated thrombotic omphalovasculitis with marginal insertion--a rare umbilical cord complication].

Report about 2 cases of a rare umbilical cord complication, the isolated omphalovasculitis thrombotica with marginal insertion and about their effects at the feto-placentare unity. Reference is given to an eventual embolic cause of praenatal thrombosis. It will be recommended a regular histological examination of the marginal respectively velamentous insertion for clarification of unclearly fetal deaths.