Credit: CLOUDS HILL IMAGING LTD/SCIENCE PHOTO LIBRARY

Restrictions: EDITORIAL USE ONLY

Caption: Technician performing an ultrasound scan on a pregnant woman's foetus. He is holding a transducer against the skin. This emits high-frequency sound waves, whose echoes are used to build up a picture of the developing foetus.

Release details: Model release not required. Property release not required.

Keywords: 1980s, 1990s, 20th century, abdomen, applying, archive, diagnostic, gel, historical, history, holding, hospital, imaging, man, medical, medicine, obstetrics, pregnant, preparation, preparing, scan, scanning, sonography, technician, technology, transducer, ultrasound, using, woman

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.