Twin foetuses. Coloured ultrasound scan of twin foetuses (green & yellow) aged around 20 weeks. Their heads are at centre left and right. Non- identic


Twin foetuses. Coloured ultrasound scan of twin foetuses (green & yellow) aged around 20 weeks. Their heads are at centre left and right. Non- identical (dizygotic) twins develop when two separate eggs are released from the ovaries and fertilised. Identical (monozygotic) twins occur when the two cells formed by the first division of a fertilised egg develop independently. In ultrasound scanning, high-frequency sound waves are emitted into the body via a transducer. The returning echoes are recorded and used to build an image of internal structures.


Size: 3500px × 3000px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20-weeks-, 5-months, anatomy, babies, baby, body, coloured, developing, development, diagnosis, diagnostics, fetus, foetal, foetus, foetuses, healthcare, human, image, medical, medicine, obstetrics, pregnancy, pregnant, reproduction, scan, sonography, sound, twins, ultrasound, waves