[Vaginal ultrasonography: a new testing method in obstetrics and gynecology]

Transvaginal sonography represents a new tool for the gynecological diagnosis and decision making. The authors present theoretical and practical aspects of transvaginal sonography with special emphasis on the 6.5 MHz vaginal probe. Based on one thousand one hundred and eight examinations it is obvious that this procedure is valuable in diagnostic algorithm of ectopic pregnancy and to follow follicular growth, as well as ultrasound guided oocyte retrieval.