Fetoscopy.

A brief report is given on fetal blood sampling by fetoscopy in three fetuses at risk for severe congenital bleeding disorder; hemophilia A in two cases, von Willebrand's disease in one. Published reports on complications of fetoscopy are reviewed. Out of all together about one hundred pregnancies that have been allowed to continue after fetoscopy, five ended in miscarriage. No other serious complication has been reported.