Safety assurance for diagnostic ultrasound in obstetrics began with a tacit assumption of
safety allowed by a federal law enacted in 1976 for then-existing medical ultrasound …

It has been estimated that more than half of all pregnant women in the United States
undergo diagnostic ultrasound during their pregnancies. In light of this, the question of safety …

Ultrasound imaging has been used for medical purposes for over 50 years and has an
excellent safety record. Ultrasonic fetal scanning is generally considered safe and is …

We address the issue of health and safety in relation to exposure to diagnostic ultrasound,
with particular emphasis given to obstetrics. In terms of fetal and maternal outcomes, the …

In this discussion, any biological effect of ultrasound that is accompanied by temperature
increments less than 1° C above normal physiologic levels is called a mechanical effect …

During the past several decades, the use of ultrasound technology in the clinical setting has
greatly increased. Because nearly every pregnant woman receives at least one sonographic …

Medical diagnostic ultrasound has been in use for over 40 years, having found widespread
applications in ana-tomic imaging and blood flow velocity measurement in virtually all areas …

Objective To review the biological effects and safety of obstetric ultrasound. Outcome Outline
the circumstances in which safety may be a concern with obstetric ultrasound. Evidence The …

REVUE SAFETY AND POTENTIAL HAZARDS IN THE CURRENT APPLICATIONS OF
ULTRASOUND IN OBSTETRICS AND GYNECOLOGY An editorial on Applic Page 1 Ultrasound …

Processes that can produce a biological effect with some degree of heating (ie, about 1° C
above the physiologic temperature) act via a thermal mechanism. Investigations with …