Credit: DR NAJEEB LAYYOUS, www.layyous.com/SCIENCE PHOTO LIBRARY

Caption: Ultrasound scans of a 20-week-old foetus. 2D (grey) and 3D (orange) ultrasound scan footage of a foetus that has reached the 20th week of development. At this stage the foetus measures around 25 centimetres in length. The foetus has started to move, and the limbs have developed. Birth occurs at around 38-40 weeks. Ultrasound scanning uses the reflected echoes of high-frequency sound waves to image an unborn baby. This safe, non-invasive method is used routinely in pregnancy to assess the growth and health of the developing foetus, and detect any abnormalities. The standard anomaly scan is carried out when the mother is 20 weeks pregnant. The detection of a serious anomaly at this stage (halfway through pregnancy), allows surgery or a termination to be considered.

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

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20-week-old foetus, ultrasound scans

K007/0309 Rights Managed

Downloadable master

Duration: 00:00:28

Frame size: 640x480

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 100.3M

Original

Capture format: Digital Image Sequence

Frame size: 6480x480

Codec: MS-CRAM

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