[Amniocentesis with free needle guidance following pinpointing using ultrasonic compound scan]

There is reported about 106 amniocenteses between 28th and 40th week of pregnancy after previous investigation and marking of the point of puncture on the abdomen of the pregnant woman by means of investigation the point with ultrasonic compoundscan. The angle of puncture method is found out and the maximum and minimum infiltration intensity. Complications have not been observed. That technique makes possible a high security for puncture and excellent puncture results.