Sonogram of identical twins

4,895 views · Published 25 April 2017 · 5:54 · Indexed 6 November 2026

Channel: cplai · 2017 · Science & Technology

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The twins were about 20 weeks gestation in this video. Twins pregnancy gets a sonogram every 4 weeks to measure the diameter of the skulls and length of the femurs in order to monitor the growth of the fetuses. Twin pregnancy is considered high risk, special prenatal care is needed to make sure the fetuses are not interfering with each other's growth. 

Sonograms do not look like pictures in 3D. They are cross-sections images that represent slices of the 3D object. As the probe moves around, the image plane move in and out and images in the wrong depth would disappear as only one slice is visible at a time.

1997/04/02  Hi8 Tape 1, Clip 1

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