Twins, 3-D ultrasound scan

Twins, 3-D ultrasound scan

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Credit: DR NAJEEB LAYYOUS/SCIENCE PHOTO LIBRARY

Caption: Twin foetuses. Coloured 3-D ultrasound scan of twin foetuses. Non-identical (dizygotic) twins develop when two separate eggs are released from the ovaries and are fertilized. Identical (monozygotic) twins occur when two cells formed by the first division of a fertilized egg develop independently. 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. 3-D scanning uses computer technology to return more detailed images than conventional 2-D scans.

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Keywords: 3-d, 3d, babies, baby, baby scan, coloured, couple, developing, diagnostic technique, diagnostics, fetus, foetal development, foetus, foetuses, healthcare, healthy, human, human body, image, medical, medicine, normal, obstetric, obstetrics, pair, pregnancy, pregnant, reproduction, reproductive physiology, scan, sonography, sound waves, three dimensional, twin, twins, two, ultrasound

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