Tag - ultrasonography

Down’s test discriminatory

Another flaw in the triple test for pregnant women seems to have been uncovered - it doesn't work too well on Asian women. The test is designed to detect Down's syndrome in the unborn fetus, and comprises ultrasound, serum screening and...

Ultrasound tests

The mainstay of modern obstetric diagnosis is the ultrasound scan (or sonography). Similar to radar, real-time scanners employ very-high-frequency pulsed sound waves (3.5-7 mHz, or 3.5-7 million cycles per second)

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