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Triplets, 3-D ultrasound scan

Triplets, 3-D ultrasound scan

P680/0636

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Credit

DR NAJEEB LAYYOUS / SCIENCE PHOTO LIBRARY DR NAJEEB LAYYOUS / SCIENCE PHOTO LIBRARY

Caption

Triplet pregnancy. Coloured 3-D ultrasound scan of a triplet pregnancy, of which only two foetuses remain (upper left & lower centre). A third amniotic sac (upper right) shows that a third foetus had been present, but was spontaneously lost. Non-identical triplets occur when three separate eggs (ova) are fertilized simultaneously. Triplets occur in around 1 in 8000 pregnancies. Ultrasound scanning is a diagnostic technique that sends high-frequency sound waves into the body via a transducer. The returning echoes are recorded and used to build an image of an internal structure. Foetal ultrasound scanning is routine during pregnancy.

Release details

Model release not required. Property release not required.

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