The study, being coordinated by Dr. Adams's group in Georgia, is to use an ultrasound technique developed there to screen for children at higher risk.

This process began in the early 1990's when ultrasound techniques gained widespread use in India.

Her work and other advances have made it possible for scientists to use fluctuations in hormone levels and new ultrasound techniques to predict ovulation.

However, endometriosis implants cannot be visualized with ultrasound technique.

And yet another new ultrasound technique, one that measures the fluid in a fetus's neck, is now being studied.

The ultrasound technique would use a hand-held transducer much like that used to look at a fetus in the womb.

Today, such problems can also be assessed externally using ultrasound techniques, he said.

Her father, an ophthalmologist in New York, pioneered an ultrasound technique for removing cataracts.

But recently concerns have been raised about fragments of stones left behind by the ultrasound technique, called lithotripsy.

The blood vessels to some of these organs can also be evaluated with the use of ultrasound techniques.