50.1 MB (2.5 MB compressed)
5116 x 3425 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
AJ PHOTO / SCIENCE PHOTO LIBRARY AJ PHOTO / SCIENCE PHOTO LIBRARY
Editorial use only.
Pregnancy ultrasound scan. Hospital doctor using an ultrasound transducer to scan the swollen abdomen of a heavily-pregnant 28-year-old woman. The transducer emits high-frequency sound waves and detects the reflected echoes. The results (upper centre) show the unborn child developing in its mother's uterus. This safe, and non-invasive procedure is used routinely in pregnancy to assess the growth of the developing foetus, and to detect any abnormalities.
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