Evaluation of Obstetric Ultrasound Biological Hazard

Ultrasound examination for pregnant women is related to some physical parameters which depends on the ultrasound examination device as well as on some physical properties of the examined women. The relation between these parameters may help in studying the cause of biological hazards by ultrasound. To do this, a sample of 150 women, were examined by using ultrasound equipment also exposure time was recorded. Some Perceptible variables like heating, headache and vomiting were not observed prior to examination and observed in most of the cases after examination even to non pregnant women. The heating effect is also observed in some recent researches. This gives strong motivation to do further studies that shows to what extent and under what conditions ultrasound may cause some side effects.