1958
Living World  


Ultrasound is first used to examine unborn children.

Ultrasound is first used to examine unborn children. Inspired by the success of anti-submarine sonar during World War II, the British obstetrician Ian Donald begins to use high-frequency soundwaves to examine fetuses in pregnant women. This ultrasound technique avoids the risk of X rays, and becomes widely used in obstetrics and other medical applications.
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